Finding the Third Proportional to 725,123.50 and 1,555,169

Step by Step Solution

1. Step 1: Write the proportion equation
   725,123.50 : 1,555,169 = 1,555,169 : x
2. Step 2: Convert to fraction form
   725,123.50/1,555,169 = 1,555,169/x
3. Step 3: Cross multiply
   725,123.50x = 1,555,169 × 1,555,169
4. Step 4: Simplify right side
   725,123.50x = 2,418,550,618,561
5. Step 5: Solve for x
   x = 2,418,550,618,561/725,123.50
6. Step 6: Final answer
   x = 3,335,363.73