Finding the Third Proportional to 4,112,068 and 8,910,580

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,068 : 8,910,580 = 8,910,580 : x
2. Step 2: Convert to fraction form
   4,112,068/8,910,580 = 8,910,580/x
3. Step 3: Cross multiply
   4,112,068x = 8,910,580 × 8,910,580
4. Step 4: Simplify right side
   4,112,068x = 79,398,435,936,400
5. Step 5: Solve for x
   x = 79,398,435,936,400/4,112,068
6. Step 6: Final answer
   x = 19,308,638.85