Finding the Third Proportional to 30,237.38 and 65,721.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,237.38 : 65,721.75 = 65,721.75 : x
2. Step 2: Convert to fraction form
   30,237.38/65,721.75 = 65,721.75/x
3. Step 3: Cross multiply
   30,237.38x = 65,721.75 × 65,721.75
4. Step 4: Simplify right side
   30,237.38x = 4,319,348,423.06
5. Step 5: Solve for x
   x = 4,319,348,423.06/30,237.38
6. Step 6: Final answer
   x = 142,848.00