Finding the Third Proportional to 364,215 and 551,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,215 : 551,404.50 = 551,404.50 : x
2. Step 2: Convert to fraction form
   364,215/551,404.50 = 551,404.50/x
3. Step 3: Cross multiply
   364,215x = 551,404.50 × 551,404.50
4. Step 4: Simplify right side
   364,215x = 304,046,922,620.25
5. Step 5: Solve for x
   x = 304,046,922,620.25/364,215
6. Step 6: Final answer
   x = 834,800.66