Finding the Third Proportional to 722,240 and 1,123,572

Step by Step Solution

1. Step 1: Write the proportion equation
   722,240 : 1,123,572 = 1,123,572 : x
2. Step 2: Convert to fraction form
   722,240/1,123,572 = 1,123,572/x
3. Step 3: Cross multiply
   722,240x = 1,123,572 × 1,123,572
4. Step 4: Simplify right side
   722,240x = 1,262,414,039,184
5. Step 5: Solve for x
   x = 1,262,414,039,184/722,240
6. Step 6: Final answer
   x = 1,747,914.87