Finding the Third Proportional to 13,140 and 27,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,140 : 27,643.50 = 27,643.50 : x
2. Step 2: Convert to fraction form
   13,140/27,643.50 = 27,643.50/x
3. Step 3: Cross multiply
   13,140x = 27,643.50 × 27,643.50
4. Step 4: Simplify right side
   13,140x = 764,163,092.25
5. Step 5: Solve for x
   x = 764,163,092.25/13,140
6. Step 6: Final answer
   x = 58,155.49