Finding the Third Proportional to 209,060 and 458,724

Step by Step Solution

1. Step 1: Write the proportion equation
   209,060 : 458,724 = 458,724 : x
2. Step 2: Convert to fraction form
   209,060/458,724 = 458,724/x
3. Step 3: Cross multiply
   209,060x = 458,724 × 458,724
4. Step 4: Simplify right side
   209,060x = 210,427,708,176
5. Step 5: Solve for x
   x = 210,427,708,176/209,060
6. Step 6: Final answer
   x = 1,006,542.18