Finding the Third Proportional to 359,262 and 499,520.25

Step by Step Solution

1. Step 1: Write the proportion equation
   359,262 : 499,520.25 = 499,520.25 : x
2. Step 2: Convert to fraction form
   359,262/499,520.25 = 499,520.25/x
3. Step 3: Cross multiply
   359,262x = 499,520.25 × 499,520.25
4. Step 4: Simplify right side
   359,262x = 249,520,480,160.06
5. Step 5: Solve for x
   x = 249,520,480,160.06/359,262
6. Step 6: Final answer
   x = 694,536.24