Finding the Third Proportional to 202,516.50 and 443,157

Step by Step Solution

1. Step 1: Write the proportion equation
   202,516.50 : 443,157 = 443,157 : x
2. Step 2: Convert to fraction form
   202,516.50/443,157 = 443,157/x
3. Step 3: Cross multiply
   202,516.50x = 443,157 × 443,157
4. Step 4: Simplify right side
   202,516.50x = 196,388,126,649
5. Step 5: Solve for x
   x = 196,388,126,649/202,516.50
6. Step 6: Final answer
   x = 969,738.89