Finding the Third Proportional to 3,841,064 and 8,390,824

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841,064 : 8,390,824 = 8,390,824 : x
2. Step 2: Convert to fraction form
   3,841,064/8,390,824 = 8,390,824/x
3. Step 3: Cross multiply
   3,841,064x = 8,390,824 × 8,390,824
4. Step 4: Simplify right side
   3,841,064x = 70,405,927,398,976
5. Step 5: Solve for x
   x = 70,405,927,398,976/3,841,064
6. Step 6: Final answer
   x = 18,329,798.05