Finding the Third Proportional to 68,875 and 105,352.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,875 : 105,352.50 = 105,352.50 : x
2. Step 2: Convert to fraction form
   68,875/105,352.50 = 105,352.50/x
3. Step 3: Cross multiply
   68,875x = 105,352.50 × 105,352.50
4. Step 4: Simplify right side
   68,875x = 11,099,149,256.25
5. Step 5: Solve for x
   x = 11,099,149,256.25/68,875
6. Step 6: Final answer
   x = 161,149.17