Finding the Third Proportional to 221,390 and 475,034

Step by Step Solution

1. Step 1: Write the proportion equation
   221,390 : 475,034 = 475,034 : x
2. Step 2: Convert to fraction form
   221,390/475,034 = 475,034/x
3. Step 3: Cross multiply
   221,390x = 475,034 × 475,034
4. Step 4: Simplify right side
   221,390x = 225,657,301,156
5. Step 5: Solve for x
   x = 225,657,301,156/221,390
6. Step 6: Final answer
   x = 1,019,275.04