Finding the Third Proportional to 91,573.50 and 190,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,573.50 : 190,162.50 = 190,162.50 : x
2. Step 2: Convert to fraction form
   91,573.50/190,162.50 = 190,162.50/x
3. Step 3: Cross multiply
   91,573.50x = 190,162.50 × 190,162.50
4. Step 4: Simplify right side
   91,573.50x = 36,161,776,406.25
5. Step 5: Solve for x
   x = 36,161,776,406.25/91,573.50
6. Step 6: Final answer
   x = 394,893.46