Finding the Third Proportional to 7,111,152 and 15,640,128

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111,152 : 15,640,128 = 15,640,128 : x
2. Step 2: Convert to fraction form
   7,111,152/15,640,128 = 15,640,128/x
3. Step 3: Cross multiply
   7,111,152x = 15,640,128 × 15,640,128
4. Step 4: Simplify right side
   7,111,152x = 244,613,603,856,384
5. Step 5: Solve for x
   x = 244,613,603,856,384/7,111,152
6. Step 6: Final answer
   x = 34,398,590.25