Finding the Third Proportional to 726,542 and 997,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   726,542 : 997,344.50 = 997,344.50 : x
2. Step 2: Convert to fraction form
   726,542/997,344.50 = 997,344.50/x
3. Step 3: Cross multiply
   726,542x = 997,344.50 × 997,344.50
4. Step 4: Simplify right side
   726,542x = 994,696,051,680.25
5. Step 5: Solve for x
   x = 994,696,051,680.25/726,542
6. Step 6: Final answer
   x = 1,369,082.66