Finding the Third Proportional to 403,774.88 and 887,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,774.88 : 887,152.50 = 887,152.50 : x
2. Step 2: Convert to fraction form
   403,774.88/887,152.50 = 887,152.50/x
3. Step 3: Cross multiply
   403,774.88x = 887,152.50 × 887,152.50
4. Step 4: Simplify right side
   403,774.88x = 787,039,558,256.25
5. Step 5: Solve for x
   x = 787,039,558,256.25/403,774.88
6. Step 6: Final answer
   x = 1,949,203.89