Finding the Third Proportional to 149,988.38 and 210,949.31

Step by Step Solution

1. Step 1: Write the proportion equation
   149,988.38 : 210,949.31 = 210,949.31 : x
2. Step 2: Convert to fraction form
   149,988.38/210,949.31 = 210,949.31/x
3. Step 3: Cross multiply
   149,988.38x = 210,949.31 × 210,949.31
4. Step 4: Simplify right side
   149,988.38x = 44,499,612,444.22
5. Step 5: Solve for x
   x = 44,499,612,444.22/149,988.38
6. Step 6: Final answer
   x = 296,687.08