Finding the Third Proportional to 3,709,899 and 8,054,298

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,899 : 8,054,298 = 8,054,298 : x
2. Step 2: Convert to fraction form
   3,709,899/8,054,298 = 8,054,298/x
3. Step 3: Cross multiply
   3,709,899x = 8,054,298 × 8,054,298
4. Step 4: Simplify right side
   3,709,899x = 64,871,716,272,804
5. Step 5: Solve for x
   x = 64,871,716,272,804/3,709,899
6. Step 6: Final answer
   x = 17,486,113.85