Finding the Third Proportional to 1,216,354.50 and 1,865,745

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,354.50 : 1,865,745 = 1,865,745 : x
2. Step 2: Convert to fraction form
   1,216,354.50/1,865,745 = 1,865,745/x
3. Step 3: Cross multiply
   1,216,354.50x = 1,865,745 × 1,865,745
4. Step 4: Simplify right side
   1,216,354.50x = 3,481,004,405,025
5. Step 5: Solve for x
   x = 3,481,004,405,025/1,216,354.50
6. Step 6: Final answer
   x = 2,861,833.79