Finding the Third Proportional to 722,748 and 1,058,200

Step by Step Solution

1. Step 1: Write the proportion equation
   722,748 : 1,058,200 = 1,058,200 : x
2. Step 2: Convert to fraction form
   722,748/1,058,200 = 1,058,200/x
3. Step 3: Cross multiply
   722,748x = 1,058,200 × 1,058,200
4. Step 4: Simplify right side
   722,748x = 1,119,787,240,000
5. Step 5: Solve for x
   x = 1,119,787,240,000/722,748
6. Step 6: Final answer
   x = 1,549,346.72