Finding the Third Proportional to 12,658,698 and 19,613,528

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658,698 : 19,613,528 = 19,613,528 : x
2. Step 2: Convert to fraction form
   12,658,698/19,613,528 = 19,613,528/x
3. Step 3: Cross multiply
   12,658,698x = 19,613,528 × 19,613,528
4. Step 4: Simplify right side
   12,658,698x = 384,690,480,606,784
5. Step 5: Solve for x
   x = 384,690,480,606,784/12,658,698
6. Step 6: Final answer
   x = 30,389,419.24