Finding the Third Proportional to 59,074.63 and 90,801.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59,074.63 : 90,801.79 = 90,801.79 : x
2. Step 2: Convert to fraction form
   59,074.63/90,801.79 = 90,801.79/x
3. Step 3: Cross multiply
   59,074.63x = 90,801.79 × 90,801.79
4. Step 4: Simplify right side
   59,074.63x = 8,244,965,251.65
5. Step 5: Solve for x
   x = 8,244,965,251.65/59,074.63
6. Step 6: Final answer
   x = 139,568.63