Finding the Third Proportional to 13,425,488 and 19,886,448

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,488 : 19,886,448 = 19,886,448 : x
2. Step 2: Convert to fraction form
   13,425,488/19,886,448 = 19,886,448/x
3. Step 3: Cross multiply
   13,425,488x = 19,886,448 × 19,886,448
4. Step 4: Simplify right side
   13,425,488x = 395,470,814,056,704
5. Step 5: Solve for x
   x = 395,470,814,056,704/13,425,488
6. Step 6: Final answer
   x = 29,456,718.00