Finding the Third Proportional to 723,692 and 1,581,520

Step by Step Solution

1. Step 1: Write the proportion equation
   723,692 : 1,581,520 = 1,581,520 : x
2. Step 2: Convert to fraction form
   723,692/1,581,520 = 1,581,520/x
3. Step 3: Cross multiply
   723,692x = 1,581,520 × 1,581,520
4. Step 4: Simplify right side
   723,692x = 2,501,205,510,400
5. Step 5: Solve for x
   x = 2,501,205,510,400/723,692
6. Step 6: Final answer
   x = 3,456,174.05