Finding the Third Proportional to 291,334.50 and 635,625

Step by Step Solution

1. Step 1: Write the proportion equation
   291,334.50 : 635,625 = 635,625 : x
2. Step 2: Convert to fraction form
   291,334.50/635,625 = 635,625/x
3. Step 3: Cross multiply
   291,334.50x = 635,625 × 635,625
4. Step 4: Simplify right side
   291,334.50x = 404,019,140,625
5. Step 5: Solve for x
   x = 404,019,140,625/291,334.50
6. Step 6: Final answer
   x = 1,386,787.84