Finding the Third Proportional to 377,040 and 821,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,040 : 821,818.50 = 821,818.50 : x
2. Step 2: Convert to fraction form
   377,040/821,818.50 = 821,818.50/x
3. Step 3: Cross multiply
   377,040x = 821,818.50 × 821,818.50
4. Step 4: Simplify right side
   377,040x = 675,385,646,942.25
5. Step 5: Solve for x
   x = 675,385,646,942.25/377,040
6. Step 6: Final answer
   x = 1,791,283.81