Finding the Third Proportional to 14,376.63 and 31,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,376.63 : 31,284.50 = 31,284.50 : x
2. Step 2: Convert to fraction form
   14,376.63/31,284.50 = 31,284.50/x
3. Step 3: Cross multiply
   14,376.63x = 31,284.50 × 31,284.50
4. Step 4: Simplify right side
   14,376.63x = 978,719,940.25
5. Step 5: Solve for x
   x = 978,719,940.25/14,376.63
6. Step 6: Final answer
   x = 68,077.17