Finding the Third Proportional to 1,245,784.50 and 1,921,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,784.50 : 1,921,800 = 1,921,800 : x
2. Step 2: Convert to fraction form
   1,245,784.50/1,921,800 = 1,921,800/x
3. Step 3: Cross multiply
   1,245,784.50x = 1,921,800 × 1,921,800
4. Step 4: Simplify right side
   1,245,784.50x = 3,693,315,240,000
5. Step 5: Solve for x
   x = 3,693,315,240,000/1,245,784.50
6. Step 6: Final answer
   x = 2,964,650.18