Finding the Third Proportional to 709,661.25 and 1,123,581.38

Step by Step Solution

1. Step 1: Write the proportion equation
   709,661.25 : 1,123,581.38 = 1,123,581.38 : x
2. Step 2: Convert to fraction form
   709,661.25/1,123,581.38 = 1,123,581.38/x
3. Step 3: Cross multiply
   709,661.25x = 1,123,581.38 × 1,123,581.38
4. Step 4: Simplify right side
   709,661.25x = 1,262,435,106,246.89
5. Step 5: Solve for x
   x = 1,262,435,106,246.89/709,661.25
6. Step 6: Final answer
   x = 1,778,926.36