Finding the Third Proportional to 65,440 and 103,789

Step by Step Solution

1. Step 1: Write the proportion equation
   65,440 : 103,789 = 103,789 : x
2. Step 2: Convert to fraction form
   65,440/103,789 = 103,789/x
3. Step 3: Cross multiply
   65,440x = 103,789 × 103,789
4. Step 4: Simplify right side
   65,440x = 10,772,156,521
5. Step 5: Solve for x
   x = 10,772,156,521/65,440
6. Step 6: Final answer
   x = 164,611.19