Finding the Third Proportional to 12,158 and 19,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158 : 19,047.50 = 19,047.50 : x
2. Step 2: Convert to fraction form
   12,158/19,047.50 = 19,047.50/x
3. Step 3: Cross multiply
   12,158x = 19,047.50 × 19,047.50
4. Step 4: Simplify right side
   12,158x = 362,807,256.25
5. Step 5: Solve for x
   x = 362,807,256.25/12,158
6. Step 6: Final answer
   x = 29,841.03