Finding the Third Proportional to 70,434.56 and 144,109.13

Step by Step Solution

1. Step 1: Write the proportion equation
   70,434.56 : 144,109.13 = 144,109.13 : x
2. Step 2: Convert to fraction form
   70,434.56/144,109.13 = 144,109.13/x
3. Step 3: Cross multiply
   70,434.56x = 144,109.13 × 144,109.13
4. Step 4: Simplify right side
   70,434.56x = 20,767,439,908.27
5. Step 5: Solve for x
   x = 20,767,439,908.27/70,434.56
6. Step 6: Final answer
   x = 294,847.29