Finding the Third Proportional to 364,185 and 551,196

Step by Step Solution

1. Step 1: Write the proportion equation
   364,185 : 551,196 = 551,196 : x
2. Step 2: Convert to fraction form
   364,185/551,196 = 551,196/x
3. Step 3: Cross multiply
   364,185x = 551,196 × 551,196
4. Step 4: Simplify right side
   364,185x = 303,817,030,416
5. Step 5: Solve for x
   x = 303,817,030,416/364,185
6. Step 6: Final answer
   x = 834,238.18