Finding the Third Proportional to 401,955 and 836,986

Step by Step Solution

1. Step 1: Write the proportion equation
   401,955 : 836,986 = 836,986 : x
2. Step 2: Convert to fraction form
   401,955/836,986 = 836,986/x
3. Step 3: Cross multiply
   401,955x = 836,986 × 836,986
4. Step 4: Simplify right side
   401,955x = 700,545,564,196
5. Step 5: Solve for x
   x = 700,545,564,196/401,955
6. Step 6: Final answer
   x = 1,742,845.75