Finding the Third Proportional to 534,964 and 831,012

Step by Step Solution

1. Step 1: Write the proportion equation
   534,964 : 831,012 = 831,012 : x
2. Step 2: Convert to fraction form
   534,964/831,012 = 831,012/x
3. Step 3: Cross multiply
   534,964x = 831,012 × 831,012
4. Step 4: Simplify right side
   534,964x = 690,580,944,144
5. Step 5: Solve for x
   x = 690,580,944,144/534,964
6. Step 6: Final answer
   x = 1,290,892.37