Finding the Third Proportional to 396,152,644 and 868,832,824

Step by Step Solution

1. Step 1: Write the proportion equation
   396,152,644 : 868,832,824 = 868,832,824 : x
2. Step 2: Convert to fraction form
   396,152,644/868,832,824 = 868,832,824/x
3. Step 3: Cross multiply
   396,152,644x = 868,832,824 × 868,832,824
4. Step 4: Simplify right side
   396,152,644x = 754,870,476,059,814,912
5. Step 5: Solve for x
   x = 754,870,476,059,814,912/396,152,644
6. Step 6: Final answer
   x = 1,905,504,071.46