Finding the Third Proportional to 581,471.81 and 1,231,987.69

Step by Step Solution

1. Step 1: Write the proportion equation
   581,471.81 : 1,231,987.69 = 1,231,987.69 : x
2. Step 2: Convert to fraction form
   581,471.81/1,231,987.69 = 1,231,987.69/x
3. Step 3: Cross multiply
   581,471.81x = 1,231,987.69 × 1,231,987.69
4. Step 4: Simplify right side
   581,471.81x = 1,517,793,662,151.60
5. Step 5: Solve for x
   x = 1,517,793,662,151.60/581,471.81
6. Step 6: Final answer
   x = 2,610,261.80