Finding the Third Proportional to 55,275 and 120,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,275 : 120,670.50 = 120,670.50 : x
2. Step 2: Convert to fraction form
   55,275/120,670.50 = 120,670.50/x
3. Step 3: Cross multiply
   55,275x = 120,670.50 × 120,670.50
4. Step 4: Simplify right side
   55,275x = 14,561,369,570.25
5. Step 5: Solve for x
   x = 14,561,369,570.25/55,275
6. Step 6: Final answer
   x = 263,435.00