Finding the Third Proportional to 364,632 and 551,978

Step by Step Solution

1. Step 1: Write the proportion equation
   364,632 : 551,978 = 551,978 : x
2. Step 2: Convert to fraction form
   364,632/551,978 = 551,978/x
3. Step 3: Cross multiply
   364,632x = 551,978 × 551,978
4. Step 4: Simplify right side
   364,632x = 304,679,712,484
5. Step 5: Solve for x
   x = 304,679,712,484/364,632
6. Step 6: Final answer
   x = 835,581.39