Finding the Third Proportional to 8,531,805 and 12,072,243

Step by Step Solution

1. Step 1: Write the proportion equation
   8,531,805 : 12,072,243 = 12,072,243 : x
2. Step 2: Convert to fraction form
   8,531,805/12,072,243 = 12,072,243/x
3. Step 3: Cross multiply
   8,531,805x = 12,072,243 × 12,072,243
4. Step 4: Simplify right side
   8,531,805x = 145,739,051,051,049
5. Step 5: Solve for x
   x = 145,739,051,051,049/8,531,805
6. Step 6: Final answer
   x = 17,081,854.43