Finding the Third Proportional to 62,788.50 and 136,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,788.50 : 136,636.50 = 136,636.50 : x
2. Step 2: Convert to fraction form
   62,788.50/136,636.50 = 136,636.50/x
3. Step 3: Cross multiply
   62,788.50x = 136,636.50 × 136,636.50
4. Step 4: Simplify right side
   62,788.50x = 18,669,533,132.25
5. Step 5: Solve for x
   x = 18,669,533,132.25/62,788.50
6. Step 6: Final answer
   x = 297,340.01