Finding the Third Proportional to 199,788 and 425,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,788 : 425,002.50 = 425,002.50 : x
2. Step 2: Convert to fraction form
   199,788/425,002.50 = 425,002.50/x
3. Step 3: Cross multiply
   199,788x = 425,002.50 × 425,002.50
4. Step 4: Simplify right side
   199,788x = 180,627,125,006.25
5. Step 5: Solve for x
   x = 180,627,125,006.25/199,788
6. Step 6: Final answer
   x = 904,093.96