Finding the Third Proportional to 68,255 and 149,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,255 : 149,632.50 = 149,632.50 : x
2. Step 2: Convert to fraction form
   68,255/149,632.50 = 149,632.50/x
3. Step 3: Cross multiply
   68,255x = 149,632.50 × 149,632.50
4. Step 4: Simplify right side
   68,255x = 22,389,885,056.25
5. Step 5: Solve for x
   x = 22,389,885,056.25/68,255
6. Step 6: Final answer
   x = 328,032.89