Finding the Third Proportional to 27,617.63 and 42,504.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,617.63 : 42,504.75 = 42,504.75 : x
2. Step 2: Convert to fraction form
   27,617.63/42,504.75 = 42,504.75/x
3. Step 3: Cross multiply
   27,617.63x = 42,504.75 × 42,504.75
4. Step 4: Simplify right side
   27,617.63x = 1,806,653,772.56
5. Step 5: Solve for x
   x = 1,806,653,772.56/27,617.63
6. Step 6: Final answer
   x = 65,416.70