Finding the Third Proportional to 868,160 and 1,867,200

Step by Step Solution

1. Step 1: Write the proportion equation
   868,160 : 1,867,200 = 1,867,200 : x
2. Step 2: Convert to fraction form
   868,160/1,867,200 = 1,867,200/x
3. Step 3: Cross multiply
   868,160x = 1,867,200 × 1,867,200
4. Step 4: Simplify right side
   868,160x = 3,486,435,840,000
5. Step 5: Solve for x
   x = 3,486,435,840,000/868,160
6. Step 6: Final answer
   x = 4,015,890.90