Finding the Third Proportional to 279,025.50 and 443,448

Step by Step Solution

1. Step 1: Write the proportion equation
   279,025.50 : 443,448 = 443,448 : x
2. Step 2: Convert to fraction form
   279,025.50/443,448 = 443,448/x
3. Step 3: Cross multiply
   279,025.50x = 443,448 × 443,448
4. Step 4: Simplify right side
   279,025.50x = 196,646,128,704
5. Step 5: Solve for x
   x = 196,646,128,704/279,025.50
6. Step 6: Final answer
   x = 704,760.42