Finding the Third Proportional to 403,780.50 and 887,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,780.50 : 887,164.50 = 887,164.50 : x
2. Step 2: Convert to fraction form
   403,780.50/887,164.50 = 887,164.50/x
3. Step 3: Cross multiply
   403,780.50x = 887,164.50 × 887,164.50
4. Step 4: Simplify right side
   403,780.50x = 787,060,850,060.25
5. Step 5: Solve for x
   x = 787,060,850,060.25/403,780.50
6. Step 6: Final answer
   x = 1,949,229.47