Finding the Third Proportional to 811,144 and 1,877,745

Step by Step Solution

1. Step 1: Write the proportion equation
   811,144 : 1,877,745 = 1,877,745 : x
2. Step 2: Convert to fraction form
   811,144/1,877,745 = 1,877,745/x
3. Step 3: Cross multiply
   811,144x = 1,877,745 × 1,877,745
4. Step 4: Simplify right side
   811,144x = 3,525,926,285,025
5. Step 5: Solve for x
   x = 3,525,926,285,025/811,144
6. Step 6: Final answer
   x = 4,346,856.15