Finding the Third Proportional to 57,226.50 and 89,074.69

Step by Step Solution

1. Step 1: Write the proportion equation
   57,226.50 : 89,074.69 = 89,074.69 : x
2. Step 2: Convert to fraction form
   57,226.50/89,074.69 = 89,074.69/x
3. Step 3: Cross multiply
   57,226.50x = 89,074.69 × 89,074.69
4. Step 4: Simplify right side
   57,226.50x = 7,934,299,953.22
5. Step 5: Solve for x
   x = 7,934,299,953.22/57,226.50
6. Step 6: Final answer
   x = 138,647.30