Finding the Third Proportional to 149,806.97 and 210,715.59

Step by Step Solution

1. Step 1: Write the proportion equation
   149,806.97 : 210,715.59 = 210,715.59 : x
2. Step 2: Convert to fraction form
   149,806.97/210,715.59 = 210,715.59/x
3. Step 3: Cross multiply
   149,806.97x = 210,715.59 × 210,715.59
4. Step 4: Simplify right side
   149,806.97x = 44,401,061,449.42
5. Step 5: Solve for x
   x = 44,401,061,449.42/149,806.97
6. Step 6: Final answer
   x = 296,388.49