Finding the Third Proportional to 258,940.50 and 564,948

Step by Step Solution

1. Step 1: Write the proportion equation
   258,940.50 : 564,948 = 564,948 : x
2. Step 2: Convert to fraction form
   258,940.50/564,948 = 564,948/x
3. Step 3: Cross multiply
   258,940.50x = 564,948 × 564,948
4. Step 4: Simplify right side
   258,940.50x = 319,166,242,704
5. Step 5: Solve for x
   x = 319,166,242,704/258,940.50
6. Step 6: Final answer
   x = 1,232,585.26