Finding the Third Proportional to 221,008 and 473,040

Step by Step Solution

1. Step 1: Write the proportion equation
   221,008 : 473,040 = 473,040 : x
2. Step 2: Convert to fraction form
   221,008/473,040 = 473,040/x
3. Step 3: Cross multiply
   221,008x = 473,040 × 473,040
4. Step 4: Simplify right side
   221,008x = 223,766,841,600
5. Step 5: Solve for x
   x = 223,766,841,600/221,008
6. Step 6: Final answer
   x = 1,012,482.99