Finding the Third Proportional to 9,234 and 19,781

Step by Step Solution

1. Step 1: Write the proportion equation
   9,234 : 19,781 = 19,781 : x
2. Step 2: Convert to fraction form
   9,234/19,781 = 19,781/x
3. Step 3: Cross multiply
   9,234x = 19,781 × 19,781
4. Step 4: Simplify right side
   9,234x = 391,287,961
5. Step 5: Solve for x
   x = 391,287,961/9,234
6. Step 6: Final answer
   x = 42,374.70