Finding the Third Proportional to 70,123.50 and 108,783

Step by Step Solution

1. Step 1: Write the proportion equation
   70,123.50 : 108,783 = 108,783 : x
2. Step 2: Convert to fraction form
   70,123.50/108,783 = 108,783/x
3. Step 3: Cross multiply
   70,123.50x = 108,783 × 108,783
4. Step 4: Simplify right side
   70,123.50x = 11,833,741,089
5. Step 5: Solve for x
   x = 11,833,741,089/70,123.50
6. Step 6: Final answer
   x = 168,755.71