Finding the Third Proportional to 17,636,604 and 35,981,769

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636,604 : 35,981,769 = 35,981,769 : x
2. Step 2: Convert to fraction form
   17,636,604/35,981,769 = 35,981,769/x
3. Step 3: Cross multiply
   17,636,604x = 35,981,769 × 35,981,769
4. Step 4: Simplify right side
   17,636,604x = 1,294,687,700,369,361
5. Step 5: Solve for x
   x = 1,294,687,700,369,361/17,636,604
6. Step 6: Final answer
   x = 73,409,126.86