Finding the Third Proportional to 120,451 and 187,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,451 : 187,348.50 = 187,348.50 : x
2. Step 2: Convert to fraction form
   120,451/187,348.50 = 187,348.50/x
3. Step 3: Cross multiply
   120,451x = 187,348.50 × 187,348.50
4. Step 4: Simplify right side
   120,451x = 35,099,460,452.25
5. Step 5: Solve for x
   x = 35,099,460,452.25/120,451
6. Step 6: Final answer
   x = 291,400.32