Finding the Third Proportional to 14,430 and 31,505.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,430 : 31,505.25 = 31,505.25 : x
2. Step 2: Convert to fraction form
   14,430/31,505.25 = 31,505.25/x
3. Step 3: Cross multiply
   14,430x = 31,505.25 × 31,505.25
4. Step 4: Simplify right side
   14,430x = 992,580,777.56
5. Step 5: Solve for x
   x = 992,580,777.56/14,430
6. Step 6: Final answer
   x = 68,785.92