Finding the Third Proportional to 202,438.50 and 443,013

Step by Step Solution

1. Step 1: Write the proportion equation
   202,438.50 : 443,013 = 443,013 : x
2. Step 2: Convert to fraction form
   202,438.50/443,013 = 443,013/x
3. Step 3: Cross multiply
   202,438.50x = 443,013 × 443,013
4. Step 4: Simplify right side
   202,438.50x = 196,260,518,169
5. Step 5: Solve for x
   x = 196,260,518,169/202,438.50
6. Step 6: Final answer
   x = 969,482.18