Finding the Third Proportional to 482,685 and 655,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,685 : 655,540.50 = 655,540.50 : x
2. Step 2: Convert to fraction form
   482,685/655,540.50 = 655,540.50/x
3. Step 3: Cross multiply
   482,685x = 655,540.50 × 655,540.50
4. Step 4: Simplify right side
   482,685x = 429,733,347,140.25
5. Step 5: Solve for x
   x = 429,733,347,140.25/482,685
6. Step 6: Final answer
   x = 890,297.70