Finding the Third Proportional to 1,866,812 and 4,071,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,812 : 4,071,500 = 4,071,500 : x
2. Step 2: Convert to fraction form
   1,866,812/4,071,500 = 4,071,500/x
3. Step 3: Cross multiply
   1,866,812x = 4,071,500 × 4,071,500
4. Step 4: Simplify right side
   1,866,812x = 16,577,112,250,000
5. Step 5: Solve for x
   x = 16,577,112,250,000/1,866,812
6. Step 6: Final answer
   x = 8,879,904.48