Finding the Third Proportional to 67,389.75 and 104,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,389.75 : 104,368.50 = 104,368.50 : x
2. Step 2: Convert to fraction form
   67,389.75/104,368.50 = 104,368.50/x
3. Step 3: Cross multiply
   67,389.75x = 104,368.50 × 104,368.50
4. Step 4: Simplify right side
   67,389.75x = 10,892,783,792.25
5. Step 5: Solve for x
   x = 10,892,783,792.25/67,389.75
6. Step 6: Final answer
   x = 161,638.58