Finding the Third Proportional to 721,118.50 and 1,538,774

Step by Step Solution

1. Step 1: Write the proportion equation
   721,118.50 : 1,538,774 = 1,538,774 : x
2. Step 2: Convert to fraction form
   721,118.50/1,538,774 = 1,538,774/x
3. Step 3: Cross multiply
   721,118.50x = 1,538,774 × 1,538,774
4. Step 4: Simplify right side
   721,118.50x = 2,367,825,423,076
5. Step 5: Solve for x
   x = 2,367,825,423,076/721,118.50
6. Step 6: Final answer
   x = 3,283,545.52