Finding the Third Proportional to 1,515,477 and 3,316,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,477 : 3,316,356 = 3,316,356 : x
2. Step 2: Convert to fraction form
   1,515,477/3,316,356 = 3,316,356/x
3. Step 3: Cross multiply
   1,515,477x = 3,316,356 × 3,316,356
4. Step 4: Simplify right side
   1,515,477x = 10,998,217,118,736
5. Step 5: Solve for x
   x = 10,998,217,118,736/1,515,477
6. Step 6: Final answer
   x = 7,257,264.29