Finding the Third Proportional to 207,316 and 443,060

Step by Step Solution

1. Step 1: Write the proportion equation
   207,316 : 443,060 = 443,060 : x
2. Step 2: Convert to fraction form
   207,316/443,060 = 443,060/x
3. Step 3: Cross multiply
   207,316x = 443,060 × 443,060
4. Step 4: Simplify right side
   207,316x = 196,302,163,600
5. Step 5: Solve for x
   x = 196,302,163,600/207,316
6. Step 6: Final answer
   x = 946,874.16