Finding the Third Proportional to 12,516.19 and 19,492.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,516.19 : 19,492.31 = 19,492.31 : x
2. Step 2: Convert to fraction form
   12,516.19/19,492.31 = 19,492.31/x
3. Step 3: Cross multiply
   12,516.19x = 19,492.31 × 19,492.31
4. Step 4: Simplify right side
   12,516.19x = 379,950,246.60
5. Step 5: Solve for x
   x = 379,950,246.60/12,516.19
6. Step 6: Final answer
   x = 30,356.71