Finding the Third Proportional to 127,358,663 and 272,880,443

Step by Step Solution

1. Step 1: Write the proportion equation
   127,358,663 : 272,880,443 = 272,880,443 : x
2. Step 2: Convert to fraction form
   127,358,663/272,880,443 = 272,880,443/x
3. Step 3: Cross multiply
   127,358,663x = 272,880,443 × 272,880,443
4. Step 4: Simplify right side
   127,358,663x = 74,463,736,171,876,256
5. Step 5: Solve for x
   x = 74,463,736,171,876,256/127,358,663
6. Step 6: Final answer
   x = 584,677,433.15