Finding the Third Proportional to 64,654 and 139,508

Step by Step Solution

1. Step 1: Write the proportion equation
   64,654 : 139,508 = 139,508 : x
2. Step 2: Convert to fraction form
   64,654/139,508 = 139,508/x
3. Step 3: Cross multiply
   64,654x = 139,508 × 139,508
4. Step 4: Simplify right side
   64,654x = 19,462,482,064
5. Step 5: Solve for x
   x = 19,462,482,064/64,654
6. Step 6: Final answer
   x = 301,025.18