Finding the Third Proportional to 39,826.69 and 87,307.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,826.69 : 87,307.88 = 87,307.88 : x
2. Step 2: Convert to fraction form
   39,826.69/87,307.88 = 87,307.88/x
3. Step 3: Cross multiply
   39,826.69x = 87,307.88 × 87,307.88
4. Step 4: Simplify right side
   39,826.69x = 7,622,665,037.02
5. Step 5: Solve for x
   x = 7,622,665,037.02/39,826.69
6. Step 6: Final answer
   x = 191,395.91