Finding the Third Proportional to 112,678.50 and 228,468

Step by Step Solution

1. Step 1: Write the proportion equation
   112,678.50 : 228,468 = 228,468 : x
2. Step 2: Convert to fraction form
   112,678.50/228,468 = 228,468/x
3. Step 3: Cross multiply
   112,678.50x = 228,468 × 228,468
4. Step 4: Simplify right side
   112,678.50x = 52,197,627,024
5. Step 5: Solve for x
   x = 52,197,627,024/112,678.50
6. Step 6: Final answer
   x = 463,243.89