Finding the Third Proportional to 65,510 and 103,900

Step by Step Solution

1. Step 1: Write the proportion equation
   65,510 : 103,900 = 103,900 : x
2. Step 2: Convert to fraction form
   65,510/103,900 = 103,900/x
3. Step 3: Cross multiply
   65,510x = 103,900 × 103,900
4. Step 4: Simplify right side
   65,510x = 10,795,210,000
5. Step 5: Solve for x
   x = 10,795,210,000/65,510
6. Step 6: Final answer
   x = 164,787.21