Finding the Third Proportional to 68,376 and 143,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,376 : 143,662.50 = 143,662.50 : x
2. Step 2: Convert to fraction form
   68,376/143,662.50 = 143,662.50/x
3. Step 3: Cross multiply
   68,376x = 143,662.50 × 143,662.50
4. Step 4: Simplify right side
   68,376x = 20,638,913,906.25
5. Step 5: Solve for x
   x = 20,638,913,906.25/68,376
6. Step 6: Final answer
   x = 301,844.42