Finding the Third Proportional to 59,018.63 and 89,089.31

Step by Step Solution

1. Step 1: Write the proportion equation
   59,018.63 : 89,089.31 = 89,089.31 : x
2. Step 2: Convert to fraction form
   59,018.63/89,089.31 = 89,089.31/x
3. Step 3: Cross multiply
   59,018.63x = 89,089.31 × 89,089.31
4. Step 4: Simplify right side
   59,018.63x = 7,936,905,601.72
5. Step 5: Solve for x
   x = 7,936,905,601.72/59,018.63
6. Step 6: Final answer
   x = 134,481.37