Finding the Third Proportional to 70,088.25 and 108,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,088.25 : 108,706.50 = 108,706.50 : x
2. Step 2: Convert to fraction form
   70,088.25/108,706.50 = 108,706.50/x
3. Step 3: Cross multiply
   70,088.25x = 108,706.50 × 108,706.50
4. Step 4: Simplify right side
   70,088.25x = 11,817,103,142.25
5. Step 5: Solve for x
   x = 11,817,103,142.25/70,088.25
6. Step 6: Final answer
   x = 168,603.20