Finding the Third Proportional to 139,769 and 301,668

Step by Step Solution

1. Step 1: Write the proportion equation
   139,769 : 301,668 = 301,668 : x
2. Step 2: Convert to fraction form
   139,769/301,668 = 301,668/x
3. Step 3: Cross multiply
   139,769x = 301,668 × 301,668
4. Step 4: Simplify right side
   139,769x = 91,003,582,224
5. Step 5: Solve for x
   x = 91,003,582,224/139,769
6. Step 6: Final answer
   x = 651,099.90