Finding the Third Proportional to 59,391 and 89,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,391 : 89,164.50 = 89,164.50 : x
2. Step 2: Convert to fraction form
   59,391/89,164.50 = 89,164.50/x
3. Step 3: Cross multiply
   59,391x = 89,164.50 × 89,164.50
4. Step 4: Simplify right side
   59,391x = 7,950,308,060.25
5. Step 5: Solve for x
   x = 7,950,308,060.25/59,391
6. Step 6: Final answer
   x = 133,863.85