Finding the Third Proportional to 112,992,638 and 159,928,456

Step by Step Solution

1. Step 1: Write the proportion equation
   112,992,638 : 159,928,456 = 159,928,456 : x
2. Step 2: Convert to fraction form
   112,992,638/159,928,456 = 159,928,456/x
3. Step 3: Cross multiply
   112,992,638x = 159,928,456 × 159,928,456
4. Step 4: Simplify right side
   112,992,638x = 25,577,111,038,543,936
5. Step 5: Solve for x
   x = 25,577,111,038,543,936/112,992,638
6. Step 6: Final answer
   x = 226,360,862.90