Finding the Third Proportional to 254,158.50 and 529,386

Step by Step Solution

1. Step 1: Write the proportion equation
   254,158.50 : 529,386 = 529,386 : x
2. Step 2: Convert to fraction form
   254,158.50/529,386 = 529,386/x
3. Step 3: Cross multiply
   254,158.50x = 529,386 × 529,386
4. Step 4: Simplify right side
   254,158.50x = 280,249,536,996
5. Step 5: Solve for x
   x = 280,249,536,996/254,158.50
6. Step 6: Final answer
   x = 1,102,656.56