Finding the Third Proportional to 758,754 and 1,143,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   758,754 : 1,143,139.50 = 1,143,139.50 : x
2. Step 2: Convert to fraction form
   758,754/1,143,139.50 = 1,143,139.50/x
3. Step 3: Cross multiply
   758,754x = 1,143,139.50 × 1,143,139.50
4. Step 4: Simplify right side
   758,754x = 1,306,767,916,460.25
5. Step 5: Solve for x
   x = 1,306,767,916,460.25/758,754
6. Step 6: Final answer
   x = 1,722,255.06