Finding the Third Proportional to 120,103.50 and 186,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,103.50 : 186,958.50 = 186,958.50 : x
2. Step 2: Convert to fraction form
   120,103.50/186,958.50 = 186,958.50/x
3. Step 3: Cross multiply
   120,103.50x = 186,958.50 × 186,958.50
4. Step 4: Simplify right side
   120,103.50x = 34,953,480,722.25
5. Step 5: Solve for x
   x = 34,953,480,722.25/120,103.50
6. Step 6: Final answer
   x = 291,027.99