Finding the Third Proportional to 17,916.19 and 27,562.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,916.19 : 27,562.78 = 27,562.78 : x
2. Step 2: Convert to fraction form
   17,916.19/27,562.78 = 27,562.78/x
3. Step 3: Cross multiply
   17,916.19x = 27,562.78 × 27,562.78
4. Step 4: Simplify right side
   17,916.19x = 759,706,910.24
5. Step 5: Solve for x
   x = 759,706,910.24/17,916.19
6. Step 6: Final answer
   x = 42,403.38