Finding the Third Proportional to 214,779 and 315,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   214,779 : 315,592.50 = 315,592.50 : x
2. Step 2: Convert to fraction form
   214,779/315,592.50 = 315,592.50/x
3. Step 3: Cross multiply
   214,779x = 315,592.50 × 315,592.50
4. Step 4: Simplify right side
   214,779x = 99,598,626,056.25
5. Step 5: Solve for x
   x = 99,598,626,056.25/214,779
6. Step 6: Final answer
   x = 463,726.09