Finding the Third Proportional to 347,448 and 522,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,448 : 522,007.50 = 522,007.50 : x
2. Step 2: Convert to fraction form
   347,448/522,007.50 = 522,007.50/x
3. Step 3: Cross multiply
   347,448x = 522,007.50 × 522,007.50
4. Step 4: Simplify right side
   347,448x = 272,491,830,056.25
5. Step 5: Solve for x
   x = 272,491,830,056.25/347,448
6. Step 6: Final answer
   x = 784,266.51