Finding the Third Proportional to 758,304 and 1,139,400

Step by Step Solution

1. Step 1: Write the proportion equation
   758,304 : 1,139,400 = 1,139,400 : x
2. Step 2: Convert to fraction form
   758,304/1,139,400 = 1,139,400/x
3. Step 3: Cross multiply
   758,304x = 1,139,400 × 1,139,400
4. Step 4: Simplify right side
   758,304x = 1,298,232,360,000
5. Step 5: Solve for x
   x = 1,298,232,360,000/758,304
6. Step 6: Final answer
   x = 1,712,020.98