Finding the Third Proportional to 70,612.50 and 108,174

Step by Step Solution

1. Step 1: Write the proportion equation
   70,612.50 : 108,174 = 108,174 : x
2. Step 2: Convert to fraction form
   70,612.50/108,174 = 108,174/x
3. Step 3: Cross multiply
   70,612.50x = 108,174 × 108,174
4. Step 4: Simplify right side
   70,612.50x = 11,701,614,276
5. Step 5: Solve for x
   x = 11,701,614,276/70,612.50
6. Step 6: Final answer
   x = 165,715.90