Finding the Third Proportional to 12,258 and 21,363

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258 : 21,363 = 21,363 : x
2. Step 2: Convert to fraction form
   12,258/21,363 = 21,363/x
3. Step 3: Cross multiply
   12,258x = 21,363 × 21,363
4. Step 4: Simplify right side
   12,258x = 456,377,769
5. Step 5: Solve for x
   x = 456,377,769/12,258
6. Step 6: Final answer
   x = 37,231.01