Finding the Third Proportional to 580,940 and 1,215,088

Step by Step Solution

1. Step 1: Write the proportion equation
   580,940 : 1,215,088 = 1,215,088 : x
2. Step 2: Convert to fraction form
   580,940/1,215,088 = 1,215,088/x
3. Step 3: Cross multiply
   580,940x = 1,215,088 × 1,215,088
4. Step 4: Simplify right side
   580,940x = 1,476,438,847,744
5. Step 5: Solve for x
   x = 1,476,438,847,744/580,940
6. Step 6: Final answer
   x = 2,541,465.29