Finding the Third Proportional to 64,074.38 and 149,706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,074.38 : 149,706.56 = 149,706.56 : x
2. Step 2: Convert to fraction form
   64,074.38/149,706.56 = 149,706.56/x
3. Step 3: Cross multiply
   64,074.38x = 149,706.56 × 149,706.56
4. Step 4: Simplify right side
   64,074.38x = 22,412,054,855.57
5. Step 5: Solve for x
   x = 22,412,054,855.57/64,074.38
6. Step 6: Final answer
   x = 349,781.87