Finding the Third Proportional to 68,769 and 98,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   68,769 : 98,111.25 = 98,111.25 : x
2. Step 2: Convert to fraction form
   68,769/98,111.25 = 98,111.25/x
3. Step 3: Cross multiply
   68,769x = 98,111.25 × 98,111.25
4. Step 4: Simplify right side
   68,769x = 9,625,817,376.56
5. Step 5: Solve for x
   x = 9,625,817,376.56/68,769
6. Step 6: Final answer
   x = 139,973.21