Finding the Third Proportional to 12,796,689 and 19,622,745

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796,689 : 19,622,745 = 19,622,745 : x
2. Step 2: Convert to fraction form
   12,796,689/19,622,745 = 19,622,745/x
3. Step 3: Cross multiply
   12,796,689x = 19,622,745 × 19,622,745
4. Step 4: Simplify right side
   12,796,689x = 385,052,121,335,025
5. Step 5: Solve for x
   x = 385,052,121,335,025/12,796,689
6. Step 6: Final answer
   x = 30,089,980.41