Finding the Third Proportional to 12,316.50 and 28,914.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,316.50 : 28,914.75 = 28,914.75 : x
2. Step 2: Convert to fraction form
   12,316.50/28,914.75 = 28,914.75/x
3. Step 3: Cross multiply
   12,316.50x = 28,914.75 × 28,914.75
4. Step 4: Simplify right side
   12,316.50x = 836,062,767.56
5. Step 5: Solve for x
   x = 836,062,767.56/12,316.50
6. Step 6: Final answer
   x = 67,881.52