Finding the Third Proportional to 8,124,810 and 12,621,063

Step by Step Solution

1. Step 1: Write the proportion equation
   8,124,810 : 12,621,063 = 12,621,063 : x
2. Step 2: Convert to fraction form
   8,124,810/12,621,063 = 12,621,063/x
3. Step 3: Cross multiply
   8,124,810x = 12,621,063 × 12,621,063
4. Step 4: Simplify right side
   8,124,810x = 159,291,231,249,969
5. Step 5: Solve for x
   x = 159,291,231,249,969/8,124,810
6. Step 6: Final answer
   x = 19,605,533.08