Finding the Third Proportional to 42,118 and 70,185

Step by Step Solution

1. Step 1: Write the proportion equation
   42,118 : 70,185 = 70,185 : x
2. Step 2: Convert to fraction form
   42,118/70,185 = 70,185/x
3. Step 3: Cross multiply
   42,118x = 70,185 × 70,185
4. Step 4: Simplify right side
   42,118x = 4,925,934,225
5. Step 5: Solve for x
   x = 4,925,934,225/42,118
6. Step 6: Final answer
   x = 116,955.56