Finding the Third Proportional to 623,596 and 912,066

Step by Step Solution

1. Step 1: Write the proportion equation
   623,596 : 912,066 = 912,066 : x
2. Step 2: Convert to fraction form
   623,596/912,066 = 912,066/x
3. Step 3: Cross multiply
   623,596x = 912,066 × 912,066
4. Step 4: Simplify right side
   623,596x = 831,864,388,356
5. Step 5: Solve for x
   x = 831,864,388,356/623,596
6. Step 6: Final answer
   x = 1,333,979.67