Finding the Third Proportional to 31,877.50 and 70,046

Step by Step Solution

1. Step 1: Write the proportion equation
   31,877.50 : 70,046 = 70,046 : x
2. Step 2: Convert to fraction form
   31,877.50/70,046 = 70,046/x
3. Step 3: Cross multiply
   31,877.50x = 70,046 × 70,046
4. Step 4: Simplify right side
   31,877.50x = 4,906,442,116
5. Step 5: Solve for x
   x = 4,906,442,116/31,877.50
6. Step 6: Final answer
   x = 153,915.52