Finding the Third Proportional to 262,147.50 and 573,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,147.50 : 573,358.50 = 573,358.50 : x
2. Step 2: Convert to fraction form
   262,147.50/573,358.50 = 573,358.50/x
3. Step 3: Cross multiply
   262,147.50x = 573,358.50 × 573,358.50
4. Step 4: Simplify right side
   262,147.50x = 328,739,969,522.25
5. Step 5: Solve for x
   x = 328,739,969,522.25/262,147.50
6. Step 6: Final answer
   x = 1,254,026.72