Finding the Third Proportional to 31,156 and 70,114

Step by Step Solution

1. Step 1: Write the proportion equation
   31,156 : 70,114 = 70,114 : x
2. Step 2: Convert to fraction form
   31,156/70,114 = 70,114/x
3. Step 3: Cross multiply
   31,156x = 70,114 × 70,114
4. Step 4: Simplify right side
   31,156x = 4,915,972,996
5. Step 5: Solve for x
   x = 4,915,972,996/31,156
6. Step 6: Final answer
   x = 157,785.76