Finding the Third Proportional to 8,498,308 and 19,908,298

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498,308 : 19,908,298 = 19,908,298 : x
2. Step 2: Convert to fraction form
   8,498,308/19,908,298 = 19,908,298/x
3. Step 3: Cross multiply
   8,498,308x = 19,908,298 × 19,908,298
4. Step 4: Simplify right side
   8,498,308x = 396,340,329,256,804
5. Step 5: Solve for x
   x = 396,340,329,256,804/8,498,308
6. Step 6: Final answer
   x = 46,637,557.65