Finding the Third Proportional to 11,815.88 and 22,376.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,815.88 : 22,376.25 = 22,376.25 : x
2. Step 2: Convert to fraction form
   11,815.88/22,376.25 = 22,376.25/x
3. Step 3: Cross multiply
   11,815.88x = 22,376.25 × 22,376.25
4. Step 4: Simplify right side
   11,815.88x = 500,696,564.06
5. Step 5: Solve for x
   x = 500,696,564.06/11,815.88
6. Step 6: Final answer
   x = 42,374.90