Finding the Third Proportional to 103,807.50 and 225,840

Step by Step Solution

1. Step 1: Write the proportion equation
   103,807.50 : 225,840 = 225,840 : x
2. Step 2: Convert to fraction form
   103,807.50/225,840 = 225,840/x
3. Step 3: Cross multiply
   103,807.50x = 225,840 × 225,840
4. Step 4: Simplify right side
   103,807.50x = 51,003,705,600
5. Step 5: Solve for x
   x = 51,003,705,600/103,807.50
6. Step 6: Final answer
   x = 491,329.68