Finding the Third Proportional to 13,458 and 28,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,458 : 28,915.50 = 28,915.50 : x
2. Step 2: Convert to fraction form
   13,458/28,915.50 = 28,915.50/x
3. Step 3: Cross multiply
   13,458x = 28,915.50 × 28,915.50
4. Step 4: Simplify right side
   13,458x = 836,106,140.25
5. Step 5: Solve for x
   x = 836,106,140.25/13,458
6. Step 6: Final answer
   x = 62,127.07