Finding the Third Proportional to 31,955.50 and 70,123

Step by Step Solution

1. Step 1: Write the proportion equation
   31,955.50 : 70,123 = 70,123 : x
2. Step 2: Convert to fraction form
   31,955.50/70,123 = 70,123/x
3. Step 3: Cross multiply
   31,955.50x = 70,123 × 70,123
4. Step 4: Simplify right side
   31,955.50x = 4,917,235,129
5. Step 5: Solve for x
   x = 4,917,235,129/31,955.50
6. Step 6: Final answer
   x = 153,877.58