Finding the Third Proportional to 4,319,776 and 9,280,610

Step by Step Solution

1. Step 1: Write the proportion equation
   4,319,776 : 9,280,610 = 9,280,610 : x
2. Step 2: Convert to fraction form
   4,319,776/9,280,610 = 9,280,610/x
3. Step 3: Cross multiply
   4,319,776x = 9,280,610 × 9,280,610
4. Step 4: Simplify right side
   4,319,776x = 86,129,721,972,100
5. Step 5: Solve for x
   x = 86,129,721,972,100/4,319,776
6. Step 6: Final answer
   x = 19,938,469.49