Finding the Third Proportional to 243,959.50 and 528,644

Step by Step Solution

1. Step 1: Write the proportion equation
   243,959.50 : 528,644 = 528,644 : x
2. Step 2: Convert to fraction form
   243,959.50/528,644 = 528,644/x
3. Step 3: Cross multiply
   243,959.50x = 528,644 × 528,644
4. Step 4: Simplify right side
   243,959.50x = 279,464,478,736
5. Step 5: Solve for x
   x = 279,464,478,736/243,959.50
6. Step 6: Final answer
   x = 1,145,536.36