Finding the Third Proportional to 1,313,486 and 2,851,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,486 : 2,851,156 = 2,851,156 : x
2. Step 2: Convert to fraction form
   1,313,486/2,851,156 = 2,851,156/x
3. Step 3: Cross multiply
   1,313,486x = 2,851,156 × 2,851,156
4. Step 4: Simplify right side
   1,313,486x = 8,129,090,536,336
5. Step 5: Solve for x
   x = 8,129,090,536,336/1,313,486
6. Step 6: Final answer
   x = 6,188,943.42