Finding the Third Proportional to 4,140,151 and 8,910,158

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,151 : 8,910,158 = 8,910,158 : x
2. Step 2: Convert to fraction form
   4,140,151/8,910,158 = 8,910,158/x
3. Step 3: Cross multiply
   4,140,151x = 8,910,158 × 8,910,158
4. Step 4: Simplify right side
   4,140,151x = 79,390,915,584,964
5. Step 5: Solve for x
   x = 79,390,915,584,964/4,140,151
6. Step 6: Final answer
   x = 19,175,850.25