Finding the Third Proportional to 70,705.50 and 98,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,705.50 : 98,902.50 = 98,902.50 : x
2. Step 2: Convert to fraction form
   70,705.50/98,902.50 = 98,902.50/x
3. Step 3: Cross multiply
   70,705.50x = 98,902.50 × 98,902.50
4. Step 4: Simplify right side
   70,705.50x = 9,781,704,506.25
5. Step 5: Solve for x
   x = 9,781,704,506.25/70,705.50
6. Step 6: Final answer
   x = 138,344.32