Finding the Third Proportional to 67,046 and 139,654

Step by Step Solution

1. Step 1: Write the proportion equation
   67,046 : 139,654 = 139,654 : x
2. Step 2: Convert to fraction form
   67,046/139,654 = 139,654/x
3. Step 3: Cross multiply
   67,046x = 139,654 × 139,654
4. Step 4: Simplify right side
   67,046x = 19,503,239,716
5. Step 5: Solve for x
   x = 19,503,239,716/67,046
6. Step 6: Final answer
   x = 290,893.41