Finding the Third Proportional to 149,976.56 and 210,961.69

Step by Step Solution

1. Step 1: Write the proportion equation
   149,976.56 : 210,961.69 = 210,961.69 : x
2. Step 2: Convert to fraction form
   149,976.56/210,961.69 = 210,961.69/x
3. Step 3: Cross multiply
   149,976.56x = 210,961.69 × 210,961.69
4. Step 4: Simplify right side
   149,976.56x = 44,504,833,592.85
5. Step 5: Solve for x
   x = 44,504,833,592.85/149,976.56
6. Step 6: Final answer
   x = 296,745.26