Finding the Third Proportional to 12,658,704 and 19,613,538

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658,704 : 19,613,538 = 19,613,538 : x
2. Step 2: Convert to fraction form
   12,658,704/19,613,538 = 19,613,538/x
3. Step 3: Cross multiply
   12,658,704x = 19,613,538 × 19,613,538
4. Step 4: Simplify right side
   12,658,704x = 384,690,872,877,444
5. Step 5: Solve for x
   x = 384,690,872,877,444/12,658,704
6. Step 6: Final answer
   x = 30,389,435.83