Finding the Third Proportional to 218,956 and 473,900

Step by Step Solution

1. Step 1: Write the proportion equation
   218,956 : 473,900 = 473,900 : x
2. Step 2: Convert to fraction form
   218,956/473,900 = 473,900/x
3. Step 3: Cross multiply
   218,956x = 473,900 × 473,900
4. Step 4: Simplify right side
   218,956x = 224,581,210,000
5. Step 5: Solve for x
   x = 224,581,210,000/218,956
6. Step 6: Final answer
   x = 1,025,691.05