Finding the Third Proportional to 39,162,040 and 55,051,412

Step by Step Solution

1. Step 1: Write the proportion equation
   39,162,040 : 55,051,412 = 55,051,412 : x
2. Step 2: Convert to fraction form
   39,162,040/55,051,412 = 55,051,412/x
3. Step 3: Cross multiply
   39,162,040x = 55,051,412 × 55,051,412
4. Step 4: Simplify right side
   39,162,040x = 3,030,657,963,193,744
5. Step 5: Solve for x
   x = 3,030,657,963,193,744/39,162,040
6. Step 6: Final answer
   x = 77,387,642.81