Finding the Third Proportional to 31,887 and 65,070

Step by Step Solution

1. Step 1: Write the proportion equation
   31,887 : 65,070 = 65,070 : x
2. Step 2: Convert to fraction form
   31,887/65,070 = 65,070/x
3. Step 3: Cross multiply
   31,887x = 65,070 × 65,070
4. Step 4: Simplify right side
   31,887x = 4,234,104,900
5. Step 5: Solve for x
   x = 4,234,104,900/31,887
6. Step 6: Final answer
   x = 132,784.67