Finding the Third Proportional to 377,073 and 820,488

Step by Step Solution

1. Step 1: Write the proportion equation
   377,073 : 820,488 = 820,488 : x
2. Step 2: Convert to fraction form
   377,073/820,488 = 820,488/x
3. Step 3: Cross multiply
   377,073x = 820,488 × 820,488
4. Step 4: Simplify right side
   377,073x = 673,200,558,144
5. Step 5: Solve for x
   x = 673,200,558,144/377,073
6. Step 6: Final answer
   x = 1,785,332.17