Finding the Third Proportional to 379,066 and 591,406

Step by Step Solution

1. Step 1: Write the proportion equation
   379,066 : 591,406 = 591,406 : x
2. Step 2: Convert to fraction form
   379,066/591,406 = 591,406/x
3. Step 3: Cross multiply
   379,066x = 591,406 × 591,406
4. Step 4: Simplify right side
   379,066x = 349,761,056,836
5. Step 5: Solve for x
   x = 349,761,056,836/379,066
6. Step 6: Final answer
   x = 922,691.71