Finding the Third Proportional to 585,499 and 1,355,346

Step by Step Solution

1. Step 1: Write the proportion equation
   585,499 : 1,355,346 = 1,355,346 : x
2. Step 2: Convert to fraction form
   585,499/1,355,346 = 1,355,346/x
3. Step 3: Cross multiply
   585,499x = 1,355,346 × 1,355,346
4. Step 4: Simplify right side
   585,499x = 1,836,962,779,716
5. Step 5: Solve for x
   x = 1,836,962,779,716/585,499
6. Step 6: Final answer
   x = 3,137,431.11