Finding the Third Proportional to 10,399,563 and 23,189,031

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399,563 : 23,189,031 = 23,189,031 : x
2. Step 2: Convert to fraction form
   10,399,563/23,189,031 = 23,189,031/x
3. Step 3: Cross multiply
   10,399,563x = 23,189,031 × 23,189,031
4. Step 4: Simplify right side
   10,399,563x = 537,731,158,718,961
5. Step 5: Solve for x
   x = 537,731,158,718,961/10,399,563
6. Step 6: Final answer
   x = 51,707,091.80