Finding the Third Proportional to 364,023 and 551,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,023 : 551,128.50 = 551,128.50 : x
2. Step 2: Convert to fraction form
   364,023/551,128.50 = 551,128.50/x
3. Step 3: Cross multiply
   364,023x = 551,128.50 × 551,128.50
4. Step 4: Simplify right side
   364,023x = 303,742,623,512.25
5. Step 5: Solve for x
   x = 303,742,623,512.25/364,023
6. Step 6: Final answer
   x = 834,405.03