Finding the Third Proportional to 404,309,034 and 621,068,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,309,034 : 621,068,134.50 = 621,068,134.50 : x
2. Step 2: Convert to fraction form
   404,309,034/621,068,134.50 = 621,068,134.50/x
3. Step 3: Cross multiply
   404,309,034x = 621,068,134.50 × 621,068,134.50
4. Step 4: Simplify right side
   404,309,034x = 385,725,627,691,310,080
5. Step 5: Solve for x
   x = 385,725,627,691,310,080/404,309,034
6. Step 6: Final answer
   x = 954,036,628.55