Finding the Third Proportional to 68,679 and 141,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,679 : 141,754.50 = 141,754.50 : x
2. Step 2: Convert to fraction form
   68,679/141,754.50 = 141,754.50/x
3. Step 3: Cross multiply
   68,679x = 141,754.50 × 141,754.50
4. Step 4: Simplify right side
   68,679x = 20,094,338,270.25
5. Step 5: Solve for x
   x = 20,094,338,270.25/68,679
6. Step 6: Final answer
   x = 292,583.44