Finding the Third Proportional to 59,671.69 and 90,046.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,671.69 : 90,046.69 = 90,046.69 : x
2. Step 2: Convert to fraction form
   59,671.69/90,046.69 = 90,046.69/x
3. Step 3: Cross multiply
   59,671.69x = 90,046.69 × 90,046.69
4. Step 4: Simplify right side
   59,671.69x = 8,108,405,929.72
5. Step 5: Solve for x
   x = 8,108,405,929.72/59,671.69
6. Step 6: Final answer
   x = 135,883.64