Finding the Third Proportional to 225,681 and 357,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   225,681 : 357,016.50 = 357,016.50 : x
2. Step 2: Convert to fraction form
   225,681/357,016.50 = 357,016.50/x
3. Step 3: Cross multiply
   225,681x = 357,016.50 × 357,016.50
4. Step 4: Simplify right side
   225,681x = 127,460,781,272.25
5. Step 5: Solve for x
   x = 127,460,781,272.25/225,681
6. Step 6: Final answer
   x = 564,782.95