Finding the Third Proportional to 193,742.72 and 410,536.69

Step by Step Solution

1. Step 1: Write the proportion equation
   193,742.72 : 410,536.69 = 410,536.69 : x
2. Step 2: Convert to fraction form
   193,742.72/410,536.69 = 410,536.69/x
3. Step 3: Cross multiply
   193,742.72x = 410,536.69 × 410,536.69
4. Step 4: Simplify right side
   193,742.72x = 168,540,371,783.47
5. Step 5: Solve for x
   x = 168,540,371,783.47/193,742.72
6. Step 6: Final answer
   x = 869,918.48