Finding the Third Proportional to 68,619 and 103,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,619 : 103,093.50 = 103,093.50 : x
2. Step 2: Convert to fraction form
   68,619/103,093.50 = 103,093.50/x
3. Step 3: Cross multiply
   68,619x = 103,093.50 × 103,093.50
4. Step 4: Simplify right side
   68,619x = 10,628,269,742.25
5. Step 5: Solve for x
   x = 10,628,269,742.25/68,619
6. Step 6: Final answer
   x = 154,888.15