Finding the Third Proportional to 581,148 and 1,231,542

Step by Step Solution

1. Step 1: Write the proportion equation
   581,148 : 1,231,542 = 1,231,542 : x
2. Step 2: Convert to fraction form
   581,148/1,231,542 = 1,231,542/x
3. Step 3: Cross multiply
   581,148x = 1,231,542 × 1,231,542
4. Step 4: Simplify right side
   581,148x = 1,516,695,697,764
5. Step 5: Solve for x
   x = 1,516,695,697,764/581,148
6. Step 6: Final answer
   x = 2,609,826.92