Finding the Third Proportional to 7,916.63 and 12,354.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,916.63 : 12,354.25 = 12,354.25 : x
2. Step 2: Convert to fraction form
   7,916.63/12,354.25 = 12,354.25/x
3. Step 3: Cross multiply
   7,916.63x = 12,354.25 × 12,354.25
4. Step 4: Simplify right side
   7,916.63x = 152,627,493.06
5. Step 5: Solve for x
   x = 152,627,493.06/7,916.63
6. Step 6: Final answer
   x = 19,279.36