Finding the Third Proportional to 1,330,394 and 2,918,332

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330,394 : 2,918,332 = 2,918,332 : x
2. Step 2: Convert to fraction form
   1,330,394/2,918,332 = 2,918,332/x
3. Step 3: Cross multiply
   1,330,394x = 2,918,332 × 2,918,332
4. Step 4: Simplify right side
   1,330,394x = 8,516,661,662,224
5. Step 5: Solve for x
   x = 8,516,661,662,224/1,330,394
6. Step 6: Final answer
   x = 6,401,608.59