Finding the Third Proportional to 377,025.50 and 821,789

Step by Step Solution

1. Step 1: Write the proportion equation
   377,025.50 : 821,789 = 821,789 : x
2. Step 2: Convert to fraction form
   377,025.50/821,789 = 821,789/x
3. Step 3: Cross multiply
   377,025.50x = 821,789 × 821,789
4. Step 4: Simplify right side
   377,025.50x = 675,337,160,521
5. Step 5: Solve for x
   x = 675,337,160,521/377,025.50
6. Step 6: Final answer
   x = 1,791,224.10