Finding the Third Proportional to 3,937,009 and 8,188,298

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937,009 : 8,188,298 = 8,188,298 : x
2. Step 2: Convert to fraction form
   3,937,009/8,188,298 = 8,188,298/x
3. Step 3: Cross multiply
   3,937,009x = 8,188,298 × 8,188,298
4. Step 4: Simplify right side
   3,937,009x = 67,048,224,136,804
5. Step 5: Solve for x
   x = 67,048,224,136,804/3,937,009
6. Step 6: Final answer
   x = 17,030,244.06