Finding the Third Proportional to 31,564.69 and 68,492.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,564.69 : 68,492.25 = 68,492.25 : x
2. Step 2: Convert to fraction form
   31,564.69/68,492.25 = 68,492.25/x
3. Step 3: Cross multiply
   31,564.69x = 68,492.25 × 68,492.25
4. Step 4: Simplify right side
   31,564.69x = 4,691,188,310.06
5. Step 5: Solve for x
   x = 4,691,188,310.06/31,564.69
6. Step 6: Final answer
   x = 148,621.41