Finding the Third Proportional to 363,840 and 765,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   363,840 : 765,382.50 = 765,382.50 : x
2. Step 2: Convert to fraction form
   363,840/765,382.50 = 765,382.50/x
3. Step 3: Cross multiply
   363,840x = 765,382.50 × 765,382.50
4. Step 4: Simplify right side
   363,840x = 585,810,371,306.25
5. Step 5: Solve for x
   x = 585,810,371,306.25/363,840
6. Step 6: Final answer
   x = 1,610,076.88