Finding the Third Proportional to 534,961.50 and 831,008

Step by Step Solution

1. Step 1: Write the proportion equation
   534,961.50 : 831,008 = 831,008 : x
2. Step 2: Convert to fraction form
   534,961.50/831,008 = 831,008/x
3. Step 3: Cross multiply
   534,961.50x = 831,008 × 831,008
4. Step 4: Simplify right side
   534,961.50x = 690,574,296,064
5. Step 5: Solve for x
   x = 690,574,296,064/534,961.50
6. Step 6: Final answer
   x = 1,290,885.97