Finding the Third Proportional to 1,403,436 and 3,031,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,436 : 3,031,368 = 3,031,368 : x
2. Step 2: Convert to fraction form
   1,403,436/3,031,368 = 3,031,368/x
3. Step 3: Cross multiply
   1,403,436x = 3,031,368 × 3,031,368
4. Step 4: Simplify right side
   1,403,436x = 9,189,191,951,424
5. Step 5: Solve for x
   x = 9,189,191,951,424/1,403,436
6. Step 6: Final answer
   x = 6,547,638.76