Finding the Third Proportional to 854,680 and 1,868,120

Step by Step Solution

1. Step 1: Write the proportion equation
   854,680 : 1,868,120 = 1,868,120 : x
2. Step 2: Convert to fraction form
   854,680/1,868,120 = 1,868,120/x
3. Step 3: Cross multiply
   854,680x = 1,868,120 × 1,868,120
4. Step 4: Simplify right side
   854,680x = 3,489,872,334,400
5. Step 5: Solve for x
   x = 3,489,872,334,400/854,680
6. Step 6: Final answer
   x = 4,083,250.26