Finding the Third Proportional to 221,586.50 and 469,758

Step by Step Solution

1. Step 1: Write the proportion equation
   221,586.50 : 469,758 = 469,758 : x
2. Step 2: Convert to fraction form
   221,586.50/469,758 = 469,758/x
3. Step 3: Cross multiply
   221,586.50x = 469,758 × 469,758
4. Step 4: Simplify right side
   221,586.50x = 220,672,578,564
5. Step 5: Solve for x
   x = 220,672,578,564/221,586.50
6. Step 6: Final answer
   x = 995,875.55