Finding the Third Proportional to 17,636,447 and 35,981,487

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636,447 : 35,981,487 = 35,981,487 : x
2. Step 2: Convert to fraction form
   17,636,447/35,981,487 = 35,981,487/x
3. Step 3: Cross multiply
   17,636,447x = 35,981,487 × 35,981,487
4. Step 4: Simplify right side
   17,636,447x = 1,294,667,406,731,169
5. Step 5: Solve for x
   x = 1,294,667,406,731,169/17,636,447
6. Step 6: Final answer
   x = 73,408,629.68