Finding the Third Proportional to 404,509.50 and 887,748.75

Step by Step Solution

1. Step 1: Write the proportion equation
   404,509.50 : 887,748.75 = 887,748.75 : x
2. Step 2: Convert to fraction form
   404,509.50/887,748.75 = 887,748.75/x
3. Step 3: Cross multiply
   404,509.50x = 887,748.75 × 887,748.75
4. Step 4: Simplify right side
   404,509.50x = 788,097,843,126.56
5. Step 5: Solve for x
   x = 788,097,843,126.56/404,509.50
6. Step 6: Final answer
   x = 1,948,280.18