Finding the Third Proportional to 384,777 and 848,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,777 : 848,389.50 = 848,389.50 : x
2. Step 2: Convert to fraction form
   384,777/848,389.50 = 848,389.50/x
3. Step 3: Cross multiply
   384,777x = 848,389.50 × 848,389.50
4. Step 4: Simplify right side
   384,777x = 719,764,743,710.25
5. Step 5: Solve for x
   x = 719,764,743,710.25/384,777
6. Step 6: Final answer
   x = 1,870,602.31