Finding the Third Proportional to 342,429 and 532,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,429 : 532,291.50 = 532,291.50 : x
2. Step 2: Convert to fraction form
   342,429/532,291.50 = 532,291.50/x
3. Step 3: Cross multiply
   342,429x = 532,291.50 × 532,291.50
4. Step 4: Simplify right side
   342,429x = 283,334,240,972.25
5. Step 5: Solve for x
   x = 283,334,240,972.25/342,429
6. Step 6: Final answer
   x = 827,424.78