Finding the Third Proportional to 67,819 and 147,100

Step by Step Solution

1. Step 1: Write the proportion equation
   67,819 : 147,100 = 147,100 : x
2. Step 2: Convert to fraction form
   67,819/147,100 = 147,100/x
3. Step 3: Cross multiply
   67,819x = 147,100 × 147,100
4. Step 4: Simplify right side
   67,819x = 21,638,410,000
5. Step 5: Solve for x
   x = 21,638,410,000/67,819
6. Step 6: Final answer
   x = 319,061.18