Finding the Third Proportional to 76,450.50 and 103,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,450.50 : 103,558.50 = 103,558.50 : x
2. Step 2: Convert to fraction form
   76,450.50/103,558.50 = 103,558.50/x
3. Step 3: Cross multiply
   76,450.50x = 103,558.50 × 103,558.50
4. Step 4: Simplify right side
   76,450.50x = 10,724,362,922.25
5. Step 5: Solve for x
   x = 10,724,362,922.25/76,450.50
6. Step 6: Final answer
   x = 140,278.52