Finding the Third Proportional to 13,635 and 28,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,635 : 28,507.50 = 28,507.50 : x
2. Step 2: Convert to fraction form
   13,635/28,507.50 = 28,507.50/x
3. Step 3: Cross multiply
   13,635x = 28,507.50 × 28,507.50
4. Step 4: Simplify right side
   13,635x = 812,677,556.25
5. Step 5: Solve for x
   x = 812,677,556.25/13,635
6. Step 6: Final answer
   x = 59,602.31