Finding the Third Proportional to 59,993.25 and 90,369

Step by Step Solution

1. Step 1: Write the proportion equation
   59,993.25 : 90,369 = 90,369 : x
2. Step 2: Convert to fraction form
   59,993.25/90,369 = 90,369/x
3. Step 3: Cross multiply
   59,993.25x = 90,369 × 90,369
4. Step 4: Simplify right side
   59,993.25x = 8,166,556,161
5. Step 5: Solve for x
   x = 8,166,556,161/59,993.25
6. Step 6: Final answer
   x = 136,124.58