Finding the Third Proportional to 28,819.50 and 63,106.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,819.50 : 63,106.50 = 63,106.50 : x
2. Step 2: Convert to fraction form
   28,819.50/63,106.50 = 63,106.50/x
3. Step 3: Cross multiply
   28,819.50x = 63,106.50 × 63,106.50
4. Step 4: Simplify right side
   28,819.50x = 3,982,430,342.25
5. Step 5: Solve for x
   x = 3,982,430,342.25/28,819.50
6. Step 6: Final answer
   x = 138,185.27