Finding the Third Proportional to 488,818 and 752,200

Step by Step Solution

1. Step 1: Write the proportion equation
   488,818 : 752,200 = 752,200 : x
2. Step 2: Convert to fraction form
   488,818/752,200 = 752,200/x
3. Step 3: Cross multiply
   488,818x = 752,200 × 752,200
4. Step 4: Simplify right side
   488,818x = 565,804,840,000
5. Step 5: Solve for x
   x = 565,804,840,000/488,818
6. Step 6: Final answer
   x = 1,157,495.92