Finding the Third Proportional to 38,787 and 59,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,787 : 59,308.50 = 59,308.50 : x
2. Step 2: Convert to fraction form
   38,787/59,308.50 = 59,308.50/x
3. Step 3: Cross multiply
   38,787x = 59,308.50 × 59,308.50
4. Step 4: Simplify right side
   38,787x = 3,517,498,172.25
5. Step 5: Solve for x
   x = 3,517,498,172.25/38,787
6. Step 6: Final answer
   x = 90,687.55