Finding the Third Proportional to 59,556 and 90,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,556 : 90,427.50 = 90,427.50 : x
2. Step 2: Convert to fraction form
   59,556/90,427.50 = 90,427.50/x
3. Step 3: Cross multiply
   59,556x = 90,427.50 × 90,427.50
4. Step 4: Simplify right side
   59,556x = 8,177,132,756.25
5. Step 5: Solve for x
   x = 8,177,132,756.25/59,556
6. Step 6: Final answer
   x = 137,301.58