Finding the Third Proportional to 202,476.50 and 443,090

Step by Step Solution

1. Step 1: Write the proportion equation
   202,476.50 : 443,090 = 443,090 : x
2. Step 2: Convert to fraction form
   202,476.50/443,090 = 443,090/x
3. Step 3: Cross multiply
   202,476.50x = 443,090 × 443,090
4. Step 4: Simplify right side
   202,476.50x = 196,328,748,100
5. Step 5: Solve for x
   x = 196,328,748,100/202,476.50
6. Step 6: Final answer
   x = 969,637.21