Finding the Third Proportional to 191,451 and 274,033.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,451 : 274,033.50 = 274,033.50 : x
2. Step 2: Convert to fraction form
   191,451/274,033.50 = 274,033.50/x
3. Step 3: Cross multiply
   191,451x = 274,033.50 × 274,033.50
4. Step 4: Simplify right side
   191,451x = 75,094,359,122.25
5. Step 5: Solve for x
   x = 75,094,359,122.25/191,451
6. Step 6: Final answer
   x = 392,238.01