Finding the Third Proportional to 14,374.50 and 31,424.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,374.50 : 31,424.25 = 31,424.25 : x
2. Step 2: Convert to fraction form
   14,374.50/31,424.25 = 31,424.25/x
3. Step 3: Cross multiply
   14,374.50x = 31,424.25 × 31,424.25
4. Step 4: Simplify right side
   14,374.50x = 987,483,488.06
5. Step 5: Solve for x
   x = 987,483,488.06/14,374.50
6. Step 6: Final answer
   x = 68,696.89