Finding the Third Proportional to 207,070 and 443,670

Step by Step Solution

1. Step 1: Write the proportion equation
   207,070 : 443,670 = 443,670 : x
2. Step 2: Convert to fraction form
   207,070/443,670 = 443,670/x
3. Step 3: Cross multiply
   207,070x = 443,670 × 443,670
4. Step 4: Simplify right side
   207,070x = 196,843,068,900
5. Step 5: Solve for x
   x = 196,843,068,900/207,070
6. Step 6: Final answer
   x = 950,611.24