Finding the Third Proportional to 128,083,389 and 275,619,414

Step by Step Solution

1. Step 1: Write the proportion equation
   128,083,389 : 275,619,414 = 275,619,414 : x
2. Step 2: Convert to fraction form
   128,083,389/275,619,414 = 275,619,414/x
3. Step 3: Cross multiply
   128,083,389x = 275,619,414 × 275,619,414
4. Step 4: Simplify right side
   128,083,389x = 75,966,061,373,703,392
5. Step 5: Solve for x
   x = 75,966,061,373,703,392/128,083,389
6. Step 6: Final answer
   x = 593,098,464.73