Finding the Third Proportional to 77,653,132 and 123,621,092

Step by Step Solution

1. Step 1: Write the proportion equation
   77,653,132 : 123,621,092 = 123,621,092 : x
2. Step 2: Convert to fraction form
   77,653,132/123,621,092 = 123,621,092/x
3. Step 3: Cross multiply
   77,653,132x = 123,621,092 × 123,621,092
4. Step 4: Simplify right side
   77,653,132x = 15,282,174,387,272,464
5. Step 5: Solve for x
   x = 15,282,174,387,272,464/77,653,132
6. Step 6: Final answer
   x = 196,800,489.48