Finding the Third Proportional to 105,789,968 and 163,472,456

Step by Step Solution

1. Step 1: Write the proportion equation
   105,789,968 : 163,472,456 = 163,472,456 : x
2. Step 2: Convert to fraction form
   105,789,968/163,472,456 = 163,472,456/x
3. Step 3: Cross multiply
   105,789,968x = 163,472,456 × 163,472,456
4. Step 4: Simplify right side
   105,789,968x = 26,723,243,870,671,936
5. Step 5: Solve for x
   x = 26,723,243,870,671,936/105,789,968
6. Step 6: Final answer
   x = 252,606,597.54