Finding the Third Proportional to 127,531,112 and 266,384,320

Step by Step Solution

1. Step 1: Write the proportion equation
   127,531,112 : 266,384,320 = 266,384,320 : x
2. Step 2: Convert to fraction form
   127,531,112/266,384,320 = 266,384,320/x
3. Step 3: Cross multiply
   127,531,112x = 266,384,320 × 266,384,320
4. Step 4: Simplify right side
   127,531,112x = 70,960,605,941,862,400
5. Step 5: Solve for x
   x = 70,960,605,941,862,400/127,531,112
6. Step 6: Final answer
   x = 556,417,997.37