Finding the Third Proportional to 718,744.50 and 1,112,742

Step by Step Solution

1. Step 1: Write the proportion equation
   718,744.50 : 1,112,742 = 1,112,742 : x
2. Step 2: Convert to fraction form
   718,744.50/1,112,742 = 1,112,742/x
3. Step 3: Cross multiply
   718,744.50x = 1,112,742 × 1,112,742
4. Step 4: Simplify right side
   718,744.50x = 1,238,194,758,564
5. Step 5: Solve for x
   x = 1,238,194,758,564/718,744.50
6. Step 6: Final answer
   x = 1,722,718.93