Finding the Third Proportional to 137,917.69 and 213,574.22

Step by Step Solution

1. Step 1: Write the proportion equation
   137,917.69 : 213,574.22 = 213,574.22 : x
2. Step 2: Convert to fraction form
   137,917.69/213,574.22 = 213,574.22/x
3. Step 3: Cross multiply
   137,917.69x = 213,574.22 × 213,574.22
4. Step 4: Simplify right side
   137,917.69x = 45,613,946,914.67
5. Step 5: Solve for x
   x = 45,613,946,914.67/137,917.69
6. Step 6: Final answer
   x = 330,733.12