Finding the Third Proportional to 127,584,141 and 278,260,146

Step by Step Solution

1. Step 1: Write the proportion equation
   127,584,141 : 278,260,146 = 278,260,146 : x
2. Step 2: Convert to fraction form
   127,584,141/278,260,146 = 278,260,146/x
3. Step 3: Cross multiply
   127,584,141x = 278,260,146 × 278,260,146
4. Step 4: Simplify right side
   127,584,141x = 77,428,708,851,941,312
5. Step 5: Solve for x
   x = 77,428,708,851,941,312/127,584,141
6. Step 6: Final answer
   x = 606,883,490.73