Finding the Third Proportional to 74,059.50 and 105,546.75

Step by Step Solution

1. Step 1: Write the proportion equation
   74,059.50 : 105,546.75 = 105,546.75 : x
2. Step 2: Convert to fraction form
   74,059.50/105,546.75 = 105,546.75/x
3. Step 3: Cross multiply
   74,059.50x = 105,546.75 × 105,546.75
4. Step 4: Simplify right side
   74,059.50x = 11,140,116,435.56
5. Step 5: Solve for x
   x = 11,140,116,435.56/74,059.50
6. Step 6: Final answer
   x = 150,421.17