Finding the Third Proportional to 9,226,885 and 21,558,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,226,885 : 21,558,167.50 = 21,558,167.50 : x
2. Step 2: Convert to fraction form
   9,226,885/21,558,167.50 = 21,558,167.50/x
3. Step 3: Cross multiply
   9,226,885x = 21,558,167.50 × 21,558,167.50
4. Step 4: Simplify right side
   9,226,885x = 464,754,585,958,056.25
5. Step 5: Solve for x
   x = 464,754,585,958,056.25/9,226,885
6. Step 6: Final answer
   x = 50,369,608.59