Finding the Third Proportional to 8,746.31 and 13,123.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,746.31 : 13,123.13 = 13,123.13 : x
2. Step 2: Convert to fraction form
   8,746.31/13,123.13 = 13,123.13/x
3. Step 3: Cross multiply
   8,746.31x = 13,123.13 × 13,123.13
4. Step 4: Simplify right side
   8,746.31x = 172,216,409.77
5. Step 5: Solve for x
   x = 172,216,409.77/8,746.31
6. Step 6: Final answer
   x = 19,690.17