Finding the Third Proportional to 538,437,948 and 1,171,215,780

Step by Step Solution

1. Step 1: Write the proportion equation
   538,437,948 : 1,171,215,780 = 1,171,215,780 : x
2. Step 2: Convert to fraction form
   538,437,948/1,171,215,780 = 1,171,215,780/x
3. Step 3: Cross multiply
   538,437,948x = 1,171,215,780 × 1,171,215,780
4. Step 4: Simplify right side
   538,437,948x = 1,371,746,403,321,008,384
5. Step 5: Solve for x
   x = 1,371,746,403,321,008,384/538,437,948
6. Step 6: Final answer
   x = 2,547,640,649.06