Finding the Third Proportional to 364,239 and 551,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,239 : 551,440.50 = 551,440.50 : x
2. Step 2: Convert to fraction form
   364,239/551,440.50 = 551,440.50/x
3. Step 3: Cross multiply
   364,239x = 551,440.50 × 551,440.50
4. Step 4: Simplify right side
   364,239x = 304,086,625,040.25
5. Step 5: Solve for x
   x = 304,086,625,040.25/364,239
6. Step 6: Final answer
   x = 834,854.66