Finding the Third Proportional to 142,053 and 236,726

Step by Step Solution

1. Step 1: Write the proportion equation
   142,053 : 236,726 = 236,726 : x
2. Step 2: Convert to fraction form
   142,053/236,726 = 236,726/x
3. Step 3: Cross multiply
   142,053x = 236,726 × 236,726
4. Step 4: Simplify right side
   142,053x = 56,039,199,076
5. Step 5: Solve for x
   x = 56,039,199,076/142,053
6. Step 6: Final answer
   x = 394,495.01