Finding the Third Proportional to 227,286 and 478,534.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,286 : 478,534.50 = 478,534.50 : x
2. Step 2: Convert to fraction form
   227,286/478,534.50 = 478,534.50/x
3. Step 3: Cross multiply
   227,286x = 478,534.50 × 478,534.50
4. Step 4: Simplify right side
   227,286x = 228,995,267,690.25
5. Step 5: Solve for x
   x = 228,995,267,690.25/227,286
6. Step 6: Final answer
   x = 1,007,520.34