Finding the Third Proportional to 2,037,920 and 4,318,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037,920 : 4,318,600 = 4,318,600 : x
2. Step 2: Convert to fraction form
   2,037,920/4,318,600 = 4,318,600/x
3. Step 3: Cross multiply
   2,037,920x = 4,318,600 × 4,318,600
4. Step 4: Simplify right side
   2,037,920x = 18,650,305,960,000
5. Step 5: Solve for x
   x = 18,650,305,960,000/2,037,920
6. Step 6: Final answer
   x = 9,151,637.92