Finding the Third Proportional to 7,750,292 and 12,761,665

Step by Step Solution

1. Step 1: Write the proportion equation
   7,750,292 : 12,761,665 = 12,761,665 : x
2. Step 2: Convert to fraction form
   7,750,292/12,761,665 = 12,761,665/x
3. Step 3: Cross multiply
   7,750,292x = 12,761,665 × 12,761,665
4. Step 4: Simplify right side
   7,750,292x = 162,860,093,572,225
5. Step 5: Solve for x
   x = 162,860,093,572,225/7,750,292
6. Step 6: Final answer
   x = 21,013,413.89