Finding the Third Proportional to 153,670.50 and 333,585

Step by Step Solution

1. Step 1: Write the proportion equation
   153,670.50 : 333,585 = 333,585 : x
2. Step 2: Convert to fraction form
   153,670.50/333,585 = 333,585/x
3. Step 3: Cross multiply
   153,670.50x = 333,585 × 333,585
4. Step 4: Simplify right side
   153,670.50x = 111,278,952,225
5. Step 5: Solve for x
   x = 111,278,952,225/153,670.50
6. Step 6: Final answer
   x = 724,139.98