Finding the Third Proportional to 224,762 and 478,130

Step by Step Solution

1. Step 1: Write the proportion equation
   224,762 : 478,130 = 478,130 : x
2. Step 2: Convert to fraction form
   224,762/478,130 = 478,130/x
3. Step 3: Cross multiply
   224,762x = 478,130 × 478,130
4. Step 4: Simplify right side
   224,762x = 228,608,296,900
5. Step 5: Solve for x
   x = 228,608,296,900/224,762
6. Step 6: Final answer
   x = 1,017,112.75