Finding the Third Proportional to 359,861.50 and 537,810

Step by Step Solution

1. Step 1: Write the proportion equation
   359,861.50 : 537,810 = 537,810 : x
2. Step 2: Convert to fraction form
   359,861.50/537,810 = 537,810/x
3. Step 3: Cross multiply
   359,861.50x = 537,810 × 537,810
4. Step 4: Simplify right side
   359,861.50x = 289,239,596,100
5. Step 5: Solve for x
   x = 289,239,596,100/359,861.50
6. Step 6: Final answer
   x = 803,752.54