Finding the Third Proportional to 60,158.25 and 68,906.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,158.25 : 68,906.25 = 68,906.25 : x
2. Step 2: Convert to fraction form
   60,158.25/68,906.25 = 68,906.25/x
3. Step 3: Cross multiply
   60,158.25x = 68,906.25 × 68,906.25
4. Step 4: Simplify right side
   60,158.25x = 4,748,071,289.06
5. Step 5: Solve for x
   x = 4,748,071,289.06/60,158.25
6. Step 6: Final answer
   x = 78,926.35