Finding the Third Proportional to 403,296 and 619,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,296 : 619,042.50 = 619,042.50 : x
2. Step 2: Convert to fraction form
   403,296/619,042.50 = 619,042.50/x
3. Step 3: Cross multiply
   403,296x = 619,042.50 × 619,042.50
4. Step 4: Simplify right side
   403,296x = 383,213,616,806.25
5. Step 5: Solve for x
   x = 383,213,616,806.25/403,296
6. Step 6: Final answer
   x = 950,204.36