Finding the Third Proportional to 1,331,637 and 2,912,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,637 : 2,912,402 = 2,912,402 : x
2. Step 2: Convert to fraction form
   1,331,637/2,912,402 = 2,912,402/x
3. Step 3: Cross multiply
   1,331,637x = 2,912,402 × 2,912,402
4. Step 4: Simplify right side
   1,331,637x = 8,482,085,409,604
5. Step 5: Solve for x
   x = 8,482,085,409,604/1,331,637
6. Step 6: Final answer
   x = 6,369,667.87