Finding the Third Proportional to 13,425,484 and 19,886,442

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,484 : 19,886,442 = 19,886,442 : x
2. Step 2: Convert to fraction form
   13,425,484/19,886,442 = 19,886,442/x
3. Step 3: Cross multiply
   13,425,484x = 19,886,442 × 19,886,442
4. Step 4: Simplify right side
   13,425,484x = 395,470,575,419,364
5. Step 5: Solve for x
   x = 395,470,575,419,364/13,425,484
6. Step 6: Final answer
   x = 29,456,709.00