Finding the Third Proportional to 873,392 and 1,851,756

Step by Step Solution

1. Step 1: Write the proportion equation
   873,392 : 1,851,756 = 1,851,756 : x
2. Step 2: Convert to fraction form
   873,392/1,851,756 = 1,851,756/x
3. Step 3: Cross multiply
   873,392x = 1,851,756 × 1,851,756
4. Step 4: Simplify right side
   873,392x = 3,429,000,283,536
5. Step 5: Solve for x
   x = 3,429,000,283,536/873,392
6. Step 6: Final answer
   x = 3,926,072.47