Finding the Third Proportional to 27,015.61 and 43,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   27,015.61 : 43,406.72 = 43,406.72 : x
2. Step 2: Convert to fraction form
   27,015.61/43,406.72 = 43,406.72/x
3. Step 3: Cross multiply
   27,015.61x = 43,406.72 × 43,406.72
4. Step 4: Simplify right side
   27,015.61x = 1,884,143,232.64
5. Step 5: Solve for x
   x = 1,884,143,232.64/27,015.61
6. Step 6: Final answer
   x = 69,742.76