Finding the Third Proportional to 415,216.50 and 650,502

Step by Step Solution

1. Step 1: Write the proportion equation
   415,216.50 : 650,502 = 650,502 : x
2. Step 2: Convert to fraction form
   415,216.50/650,502 = 650,502/x
3. Step 3: Cross multiply
   415,216.50x = 650,502 × 650,502
4. Step 4: Simplify right side
   415,216.50x = 423,152,852,004
5. Step 5: Solve for x
   x = 423,152,852,004/415,216.50
6. Step 6: Final answer
   x = 1,019,113.77