Finding the Third Proportional to 404,309,112 and 621,068,250

Step by Step Solution

1. Step 1: Write the proportion equation
   404,309,112 : 621,068,250 = 621,068,250 : x
2. Step 2: Convert to fraction form
   404,309,112/621,068,250 = 621,068,250/x
3. Step 3: Cross multiply
   404,309,112x = 621,068,250 × 621,068,250
4. Step 4: Simplify right side
   404,309,112x = 385,725,771,158,062,528
5. Step 5: Solve for x
   x = 385,725,771,158,062,528/404,309,112
6. Step 6: Final answer
   x = 954,036,799.34