Finding the Third Proportional to 42,115.50 and 70,182

Step by Step Solution

1. Step 1: Write the proportion equation
   42,115.50 : 70,182 = 70,182 : x
2. Step 2: Convert to fraction form
   42,115.50/70,182 = 70,182/x
3. Step 3: Cross multiply
   42,115.50x = 70,182 × 70,182
4. Step 4: Simplify right side
   42,115.50x = 4,925,513,124
5. Step 5: Solve for x
   x = 4,925,513,124/42,115.50
6. Step 6: Final answer
   x = 116,952.50