Finding the Third Proportional to 358,753.50 and 754,686

Step by Step Solution

1. Step 1: Write the proportion equation
   358,753.50 : 754,686 = 754,686 : x
2. Step 2: Convert to fraction form
   358,753.50/754,686 = 754,686/x
3. Step 3: Cross multiply
   358,753.50x = 754,686 × 754,686
4. Step 4: Simplify right side
   358,753.50x = 569,550,958,596
5. Step 5: Solve for x
   x = 569,550,958,596/358,753.50
6. Step 6: Final answer
   x = 1,587,583.00