Finding the Third Proportional to 78,250,879,058 and 171,874,368,076

Step by Step Solution

1. Step 1: Write the proportion equation
   78,250,879,058 : 171,874,368,076 = 171,874,368,076 : x
2. Step 2: Convert to fraction form
   78,250,879,058/171,874,368,076 = 171,874,368,076/x
3. Step 3: Cross multiply
   78,250,879,058x = 171,874,368,076 × 171,874,368,076
4. Step 4: Simplify right side
   78,250,879,058x = 29,540,798,401,524,327,776,256
5. Step 5: Solve for x
   x = 29,540,798,401,524,327,776,256/78,250,879,058
6. Step 6: Final answer
   x = 377,513,949,455.17