Finding the Third Proportional to 9,342 and 21,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342 : 21,910.50 = 21,910.50 : x
2. Step 2: Convert to fraction form
   9,342/21,910.50 = 21,910.50/x
3. Step 3: Cross multiply
   9,342x = 21,910.50 × 21,910.50
4. Step 4: Simplify right side
   9,342x = 480,070,010.25
5. Step 5: Solve for x
   x = 480,070,010.25/9,342
6. Step 6: Final answer
   x = 51,388.35