Finding the Third Proportional to 377,028 and 821,801.25

Step by Step Solution

1. Step 1: Write the proportion equation
   377,028 : 821,801.25 = 821,801.25 : x
2. Step 2: Convert to fraction form
   377,028/821,801.25 = 821,801.25/x
3. Step 3: Cross multiply
   377,028x = 821,801.25 × 821,801.25
4. Step 4: Simplify right side
   377,028x = 675,357,294,501.56
5. Step 5: Solve for x
   x = 675,357,294,501.56/377,028
6. Step 6: Final answer
   x = 1,791,265.62