Finding the Third Proportional to 985,104 and 2,138,346

Step by Step Solution

1. Step 1: Write the proportion equation
   985,104 : 2,138,346 = 2,138,346 : x
2. Step 2: Convert to fraction form
   985,104/2,138,346 = 2,138,346/x
3. Step 3: Cross multiply
   985,104x = 2,138,346 × 2,138,346
4. Step 4: Simplify right side
   985,104x = 4,572,523,615,716
5. Step 5: Solve for x
   x = 4,572,523,615,716/985,104
6. Step 6: Final answer
   x = 4,641,665.87