Finding the Third Proportional to 31,350 and 65,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,350 : 65,290.50 = 65,290.50 : x
2. Step 2: Convert to fraction form
   31,350/65,290.50 = 65,290.50/x
3. Step 3: Cross multiply
   31,350x = 65,290.50 × 65,290.50
4. Step 4: Simplify right side
   31,350x = 4,262,849,390.25
5. Step 5: Solve for x
   x = 4,262,849,390.25/31,350
6. Step 6: Final answer
   x = 135,976.06