Finding the Third Proportional to 17,899.31 and 27,730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,899.31 : 27,730.69 = 27,730.69 : x
2. Step 2: Convert to fraction form
   17,899.31/27,730.69 = 27,730.69/x
3. Step 3: Cross multiply
   17,899.31x = 27,730.69 × 27,730.69
4. Step 4: Simplify right side
   17,899.31x = 768,991,029.22
5. Step 5: Solve for x
   x = 768,991,029.22/17,899.31
6. Step 6: Final answer
   x = 42,962.04