Finding the Third Proportional to 3,489,014 and 7,400,776

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489,014 : 7,400,776 = 7,400,776 : x
2. Step 2: Convert to fraction form
   3,489,014/7,400,776 = 7,400,776/x
3. Step 3: Cross multiply
   3,489,014x = 7,400,776 × 7,400,776
4. Step 4: Simplify right side
   3,489,014x = 54,771,485,402,176
5. Step 5: Solve for x
   x = 54,771,485,402,176/3,489,014
6. Step 6: Final answer
   x = 15,698,270.46