Finding the Third Proportional to 359,248.50 and 499,506

Step by Step Solution

1. Step 1: Write the proportion equation
   359,248.50 : 499,506 = 499,506 : x
2. Step 2: Convert to fraction form
   359,248.50/499,506 = 499,506/x
3. Step 3: Cross multiply
   359,248.50x = 499,506 × 499,506
4. Step 4: Simplify right side
   359,248.50x = 249,506,244,036
5. Step 5: Solve for x
   x = 249,506,244,036/359,248.50
6. Step 6: Final answer
   x = 694,522.72