Finding the Third Proportional to 1,638,105,784 and 2,317,869,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,105,784 : 2,317,869,456 = 2,317,869,456 : x
2. Step 2: Convert to fraction form
   1,638,105,784/2,317,869,456 = 2,317,869,456/x
3. Step 3: Cross multiply
   1,638,105,784x = 2,317,869,456 × 2,317,869,456
4. Step 4: Simplify right side
   1,638,105,784x = 5,372,518,815,057,735,680
5. Step 5: Solve for x
   x = 5,372,518,815,057,735,680/1,638,105,784
6. Step 6: Final answer
   x = 3,279,714,208.65