Finding the Third Proportional to 380,215,200 and 814,998,960

Step by Step Solution

1. Step 1: Write the proportion equation
   380,215,200 : 814,998,960 = 814,998,960 : x
2. Step 2: Convert to fraction form
   380,215,200/814,998,960 = 814,998,960/x
3. Step 3: Cross multiply
   380,215,200x = 814,998,960 × 814,998,960
4. Step 4: Simplify right side
   380,215,200x = 664,223,304,801,081,600
5. Step 5: Solve for x
   x = 664,223,304,801,081,600/380,215,200
6. Step 6: Final answer
   x = 1,746,966,730.42