Finding the Third Proportional to 679,794 and 1,429,572

Step by Step Solution

1. Step 1: Write the proportion equation
   679,794 : 1,429,572 = 1,429,572 : x
2. Step 2: Convert to fraction form
   679,794/1,429,572 = 1,429,572/x
3. Step 3: Cross multiply
   679,794x = 1,429,572 × 1,429,572
4. Step 4: Simplify right side
   679,794x = 2,043,676,103,184
5. Step 5: Solve for x
   x = 2,043,676,103,184/679,794
6. Step 6: Final answer
   x = 3,006,316.77