Finding the Third Proportional to 31,117.50 and 63,693

Step by Step Solution

1. Step 1: Write the proportion equation
   31,117.50 : 63,693 = 63,693 : x
2. Step 2: Convert to fraction form
   31,117.50/63,693 = 63,693/x
3. Step 3: Cross multiply
   31,117.50x = 63,693 × 63,693
4. Step 4: Simplify right side
   31,117.50x = 4,056,798,249
5. Step 5: Solve for x
   x = 4,056,798,249/31,117.50
6. Step 6: Final answer
   x = 130,370.31