Finding the Third Proportional to 13,947.50 and 30,659

Step by Step Solution

1. Step 1: Write the proportion equation
   13,947.50 : 30,659 = 30,659 : x
2. Step 2: Convert to fraction form
   13,947.50/30,659 = 30,659/x
3. Step 3: Cross multiply
   13,947.50x = 30,659 × 30,659
4. Step 4: Simplify right side
   13,947.50x = 939,974,281
5. Step 5: Solve for x
   x = 939,974,281/13,947.50
6. Step 6: Final answer
   x = 67,393.75