Finding the Third Proportional to 56,400,549 and 123,687,984

Step by Step Solution

1. Step 1: Write the proportion equation
   56,400,549 : 123,687,984 = 123,687,984 : x
2. Step 2: Convert to fraction form
   56,400,549/123,687,984 = 123,687,984/x
3. Step 3: Cross multiply
   56,400,549x = 123,687,984 × 123,687,984
4. Step 4: Simplify right side
   56,400,549x = 15,298,717,385,984,256
5. Step 5: Solve for x
   x = 15,298,717,385,984,256/56,400,549
6. Step 6: Final answer
   x = 271,251,213.99