Finding the Third Proportional to 68,967.50 and 147,778

Step by Step Solution

1. Step 1: Write the proportion equation
   68,967.50 : 147,778 = 147,778 : x
2. Step 2: Convert to fraction form
   68,967.50/147,778 = 147,778/x
3. Step 3: Cross multiply
   68,967.50x = 147,778 × 147,778
4. Step 4: Simplify right side
   68,967.50x = 21,838,337,284
5. Step 5: Solve for x
   x = 21,838,337,284/68,967.50
6. Step 6: Final answer
   x = 316,646.79