Finding the Third Proportional to 67,896 and 147,840

Step by Step Solution

1. Step 1: Write the proportion equation
   67,896 : 147,840 = 147,840 : x
2. Step 2: Convert to fraction form
   67,896/147,840 = 147,840/x
3. Step 3: Cross multiply
   67,896x = 147,840 × 147,840
4. Step 4: Simplify right side
   67,896x = 21,856,665,600
5. Step 5: Solve for x
   x = 21,856,665,600/67,896
6. Step 6: Final answer
   x = 321,913.89