Finding the Third Proportional to 64,296 and 139,602

Step by Step Solution

1. Step 1: Write the proportion equation
   64,296 : 139,602 = 139,602 : x
2. Step 2: Convert to fraction form
   64,296/139,602 = 139,602/x
3. Step 3: Cross multiply
   64,296x = 139,602 × 139,602
4. Step 4: Simplify right side
   64,296x = 19,488,718,404
5. Step 5: Solve for x
   x = 19,488,718,404/64,296
6. Step 6: Final answer
   x = 303,109.34