Finding the Third Proportional to 1,330,410 and 2,918,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330,410 : 2,918,356 = 2,918,356 : x
2. Step 2: Convert to fraction form
   1,330,410/2,918,356 = 2,918,356/x
3. Step 3: Cross multiply
   1,330,410x = 2,918,356 × 2,918,356
4. Step 4: Simplify right side
   1,330,410x = 8,516,801,742,736
5. Step 5: Solve for x
   x = 8,516,801,742,736/1,330,410
6. Step 6: Final answer
   x = 6,401,636.90