Finding the Third Proportional to 351,491 and 532,165.75

Step by Step Solution

1. Step 1: Write the proportion equation
   351,491 : 532,165.75 = 532,165.75 : x
2. Step 2: Convert to fraction form
   351,491/532,165.75 = 532,165.75/x
3. Step 3: Cross multiply
   351,491x = 532,165.75 × 532,165.75
4. Step 4: Simplify right side
   351,491x = 283,200,385,473.06
5. Step 5: Solve for x
   x = 283,200,385,473.06/351,491
6. Step 6: Final answer
   x = 805,711.63