Finding the Third Proportional to 30,315.38 and 65,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,315.38 : 65,470.50 = 65,470.50 : x
2. Step 2: Convert to fraction form
   30,315.38/65,470.50 = 65,470.50/x
3. Step 3: Cross multiply
   30,315.38x = 65,470.50 × 65,470.50
4. Step 4: Simplify right side
   30,315.38x = 4,286,386,370.25
5. Step 5: Solve for x
   x = 4,286,386,370.25/30,315.38
6. Step 6: Final answer
   x = 141,393.15