Finding the Third Proportional to 13,278.94 and 28,972.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,278.94 : 28,972.69 = 28,972.69 : x
2. Step 2: Convert to fraction form
   13,278.94/28,972.69 = 28,972.69/x
3. Step 3: Cross multiply
   13,278.94x = 28,972.69 × 28,972.69
4. Step 4: Simplify right side
   13,278.94x = 839,416,620.97
5. Step 5: Solve for x
   x = 839,416,620.97/13,278.94
6. Step 6: Final answer
   x = 63,214.14