Finding the Third Proportional to 15,291 and 32,420.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,291 : 32,420.25 = 32,420.25 : x
2. Step 2: Convert to fraction form
   15,291/32,420.25 = 32,420.25/x
3. Step 3: Cross multiply
   15,291x = 32,420.25 × 32,420.25
4. Step 4: Simplify right side
   15,291x = 1,051,072,610.06
5. Step 5: Solve for x
   x = 1,051,072,610.06/15,291
6. Step 6: Final answer
   x = 68,737.99