Finding the Third Proportional to 28,476.56 and 43,140.09

Step by Step Solution

1. Step 1: Write the proportion equation
   28,476.56 : 43,140.09 = 43,140.09 : x
2. Step 2: Convert to fraction form
   28,476.56/43,140.09 = 43,140.09/x
3. Step 3: Cross multiply
   28,476.56x = 43,140.09 × 43,140.09
4. Step 4: Simplify right side
   28,476.56x = 1,861,067,688.76
5. Step 5: Solve for x
   x = 1,861,067,688.76/28,476.56
6. Step 6: Final answer
   x = 65,354.37