Finding the Third Proportional to 221,073 and 473,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,073 : 473,665.50 = 473,665.50 : x
2. Step 2: Convert to fraction form
   221,073/473,665.50 = 473,665.50/x
3. Step 3: Cross multiply
   221,073x = 473,665.50 × 473,665.50
4. Step 4: Simplify right side
   221,073x = 224,359,005,890.25
5. Step 5: Solve for x
   x = 224,359,005,890.25/221,073
6. Step 6: Final answer
   x = 1,014,863.90