Finding the Third Proportional to 404,309,106 and 621,068,241

Step by Step Solution

1. Step 1: Write the proportion equation
   404,309,106 : 621,068,241 = 621,068,241 : x
2. Step 2: Convert to fraction form
   404,309,106/621,068,241 = 621,068,241/x
3. Step 3: Cross multiply
   404,309,106x = 621,068,241 × 621,068,241
4. Step 4: Simplify right side
   404,309,106x = 385,725,759,978,834,112
5. Step 5: Solve for x
   x = 385,725,759,978,834,112/404,309,106
6. Step 6: Final answer
   x = 954,036,785.85