Finding the Third Proportional to 409,341,714 and 890,404,269

Step by Step Solution

1. Step 1: Write the proportion equation
   409,341,714 : 890,404,269 = 890,404,269 : x
2. Step 2: Convert to fraction form
   409,341,714/890,404,269 = 890,404,269/x
3. Step 3: Cross multiply
   409,341,714x = 890,404,269 × 890,404,269
4. Step 4: Simplify right side
   409,341,714x = 792,819,762,253,424,384
5. Step 5: Solve for x
   x = 792,819,762,253,424,384/409,341,714
6. Step 6: Final answer
   x = 1,936,816,442.44