Finding the Third Proportional to 35,156,980 and 77,121,272

Step by Step Solution

1. Step 1: Write the proportion equation
   35,156,980 : 77,121,272 = 77,121,272 : x
2. Step 2: Convert to fraction form
   35,156,980/77,121,272 = 77,121,272/x
3. Step 3: Cross multiply
   35,156,980x = 77,121,272 × 77,121,272
4. Step 4: Simplify right side
   35,156,980x = 5,947,690,594,897,984
5. Step 5: Solve for x
   x = 5,947,690,594,897,984/35,156,980
6. Step 6: Final answer
   x = 169,175,241.87