Finding the Third Proportional to 70,905.50 and 105,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,905.50 : 105,858.50 = 105,858.50 : x
2. Step 2: Convert to fraction form
   70,905.50/105,858.50 = 105,858.50/x
3. Step 3: Cross multiply
   70,905.50x = 105,858.50 × 105,858.50
4. Step 4: Simplify right side
   70,905.50x = 11,206,022,022.25
5. Step 5: Solve for x
   x = 11,206,022,022.25/70,905.50
6. Step 6: Final answer
   x = 158,041.65