Finding the Third Proportional to 65,484 and 139,908

Step by Step Solution

1. Step 1: Write the proportion equation
   65,484 : 139,908 = 139,908 : x
2. Step 2: Convert to fraction form
   65,484/139,908 = 139,908/x
3. Step 3: Cross multiply
   65,484x = 139,908 × 139,908
4. Step 4: Simplify right side
   65,484x = 19,574,248,464
5. Step 5: Solve for x
   x = 19,574,248,464/65,484
6. Step 6: Final answer
   x = 298,916.51