Finding the Third Proportional to 477,200 and 1,029,122

Step by Step Solution

1. Step 1: Write the proportion equation
   477,200 : 1,029,122 = 1,029,122 : x
2. Step 2: Convert to fraction form
   477,200/1,029,122 = 1,029,122/x
3. Step 3: Cross multiply
   477,200x = 1,029,122 × 1,029,122
4. Step 4: Simplify right side
   477,200x = 1,059,092,090,884
5. Step 5: Solve for x
   x = 1,059,092,090,884/477,200
6. Step 6: Final answer
   x = 2,219,388.29