Finding the Third Proportional to 13,209.75 and 28,981.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,209.75 : 28,981.13 = 28,981.13 : x
2. Step 2: Convert to fraction form
   13,209.75/28,981.13 = 28,981.13/x
3. Step 3: Cross multiply
   13,209.75x = 28,981.13 × 28,981.13
4. Step 4: Simplify right side
   13,209.75x = 839,905,606.27
5. Step 5: Solve for x
   x = 839,905,606.27/13,209.75
6. Step 6: Final answer
   x = 63,582.25