Finding the Third Proportional to 1,558,454 and 2,331,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558,454 : 2,331,402 = 2,331,402 : x
2. Step 2: Convert to fraction form
   1,558,454/2,331,402 = 2,331,402/x
3. Step 3: Cross multiply
   1,558,454x = 2,331,402 × 2,331,402
4. Step 4: Simplify right side
   1,558,454x = 5,435,435,285,604
5. Step 5: Solve for x
   x = 5,435,435,285,604/1,558,454
6. Step 6: Final answer
   x = 3,487,709.80