Finding the Third Proportional to 17,636,599.50 and 35,981,760

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636,599.50 : 35,981,760 = 35,981,760 : x
2. Step 2: Convert to fraction form
   17,636,599.50/35,981,760 = 35,981,760/x
3. Step 3: Cross multiply
   17,636,599.50x = 35,981,760 × 35,981,760
4. Step 4: Simplify right side
   17,636,599.50x = 1,294,687,052,697,600
5. Step 5: Solve for x
   x = 1,294,687,052,697,600/17,636,599.50
6. Step 6: Final answer
   x = 73,409,108.86