Finding the Third Proportional to 396,152,654 and 868,832,844

Step by Step Solution

1. Step 1: Write the proportion equation
   396,152,654 : 868,832,844 = 868,832,844 : x
2. Step 2: Convert to fraction form
   396,152,654/868,832,844 = 868,832,844/x
3. Step 3: Cross multiply
   396,152,654x = 868,832,844 × 868,832,844
4. Step 4: Simplify right side
   396,152,654x = 754,870,510,813,128,320
5. Step 5: Solve for x
   x = 754,870,510,813,128,320/396,152,654
6. Step 6: Final answer
   x = 1,905,504,111.08