Finding the Third Proportional to 623,637 and 1,347,066

Step by Step Solution

1. Step 1: Write the proportion equation
   623,637 : 1,347,066 = 1,347,066 : x
2. Step 2: Convert to fraction form
   623,637/1,347,066 = 1,347,066/x
3. Step 3: Cross multiply
   623,637x = 1,347,066 × 1,347,066
4. Step 4: Simplify right side
   623,637x = 1,814,586,808,356
5. Step 5: Solve for x
   x = 1,814,586,808,356/623,637
6. Step 6: Final answer
   x = 2,909,684.33