Finding the Third Proportional to 404,309,104 and 621,068,238

Step by Step Solution

1. Step 1: Write the proportion equation
   404,309,104 : 621,068,238 = 621,068,238 : x
2. Step 2: Convert to fraction form
   404,309,104/621,068,238 = 621,068,238/x
3. Step 3: Cross multiply
   404,309,104x = 621,068,238 × 621,068,238
4. Step 4: Simplify right side
   404,309,104x = 385,725,756,252,424,640
5. Step 5: Solve for x
   x = 385,725,756,252,424,640/404,309,104
6. Step 6: Final answer
   x = 954,036,781.35