Finding the Third Proportional to 462,783 and 699,108

Step by Step Solution

1. Step 1: Write the proportion equation
   462,783 : 699,108 = 699,108 : x
2. Step 2: Convert to fraction form
   462,783/699,108 = 699,108/x
3. Step 3: Cross multiply
   462,783x = 699,108 × 699,108
4. Step 4: Simplify right side
   462,783x = 488,751,995,664
5. Step 5: Solve for x
   x = 488,751,995,664/462,783
6. Step 6: Final answer
   x = 1,056,114.84