Finding the Third Proportional to 377,480 and 817,936

Step by Step Solution

1. Step 1: Write the proportion equation
   377,480 : 817,936 = 817,936 : x
2. Step 2: Convert to fraction form
   377,480/817,936 = 817,936/x
3. Step 3: Cross multiply
   377,480x = 817,936 × 817,936
4. Step 4: Simplify right side
   377,480x = 669,019,300,096
5. Step 5: Solve for x
   x = 669,019,300,096/377,480
6. Step 6: Final answer
   x = 1,772,330.45