Finding the Third Proportional to 109,762.50 and 228,138

Step by Step Solution

1. Step 1: Write the proportion equation
   109,762.50 : 228,138 = 228,138 : x
2. Step 2: Convert to fraction form
   109,762.50/228,138 = 228,138/x
3. Step 3: Cross multiply
   109,762.50x = 228,138 × 228,138
4. Step 4: Simplify right side
   109,762.50x = 52,046,947,044
5. Step 5: Solve for x
   x = 52,046,947,044/109,762.50
6. Step 6: Final answer
   x = 474,177.86