Finding the Third Proportional to 13,405.50 and 29,436.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,405.50 : 29,436.75 = 29,436.75 : x
2. Step 2: Convert to fraction form
   13,405.50/29,436.75 = 29,436.75/x
3. Step 3: Cross multiply
   13,405.50x = 29,436.75 × 29,436.75
4. Step 4: Simplify right side
   13,405.50x = 866,522,250.56
5. Step 5: Solve for x
   x = 866,522,250.56/13,405.50
6. Step 6: Final answer
   x = 64,639.31