Finding the Third Proportional to 69,688.50 and 110,748

Step by Step Solution

1. Step 1: Write the proportion equation
   69,688.50 : 110,748 = 110,748 : x
2. Step 2: Convert to fraction form
   69,688.50/110,748 = 110,748/x
3. Step 3: Cross multiply
   69,688.50x = 110,748 × 110,748
4. Step 4: Simplify right side
   69,688.50x = 12,265,119,504
5. Step 5: Solve for x
   x = 12,265,119,504/69,688.50
6. Step 6: Final answer
   x = 175,999.19