Finding the Third Proportional to 1,385,158,058,574 and 2,978,777,641,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,158,058,574 : 2,978,777,641,920 = 2,978,777,641,920 : x
2. Step 2: Convert to fraction form
   1,385,158,058,574/2,978,777,641,920 = 2,978,777,641,920/x
3. Step 3: Cross multiply
   1,385,158,058,574x = 2,978,777,641,920 × 2,978,777,641,920
4. Step 4: Simplify right side
   1,385,158,058,574x = 8,873,116,240,002,475,863,572,480
5. Step 5: Solve for x
   x = 8,873,116,240,002,475,863,572,480/1,385,158,058,574
6. Step 6: Final answer
   x = 6,405,851,076,040.54