Finding the Third Proportional to 68,396 and 105,064

Step by Step Solution

1. Step 1: Write the proportion equation
   68,396 : 105,064 = 105,064 : x
2. Step 2: Convert to fraction form
   68,396/105,064 = 105,064/x
3. Step 3: Cross multiply
   68,396x = 105,064 × 105,064
4. Step 4: Simplify right side
   68,396x = 11,038,444,096
5. Step 5: Solve for x
   x = 11,038,444,096/68,396
6. Step 6: Final answer
   x = 161,390.20