Finding the Third Proportional to 12,658,702 and 19,613,534

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658,702 : 19,613,534 = 19,613,534 : x
2. Step 2: Convert to fraction form
   12,658,702/19,613,534 = 19,613,534/x
3. Step 3: Cross multiply
   12,658,702x = 19,613,534 × 19,613,534
4. Step 4: Simplify right side
   12,658,702x = 384,690,715,969,156
5. Step 5: Solve for x
   x = 384,690,715,969,156/12,658,702
6. Step 6: Final answer
   x = 30,389,428.23