Finding the Third Proportional to 13,259,783 and 19,808,012

Step by Step Solution

1. Step 1: Write the proportion equation
   13,259,783 : 19,808,012 = 19,808,012 : x
2. Step 2: Convert to fraction form
   13,259,783/19,808,012 = 19,808,012/x
3. Step 3: Cross multiply
   13,259,783x = 19,808,012 × 19,808,012
4. Step 4: Simplify right side
   13,259,783x = 392,357,339,392,144
5. Step 5: Solve for x
   x = 392,357,339,392,144/13,259,783
6. Step 6: Final answer
   x = 29,590,027.18