Finding the Third Proportional to 8,081,688 and 12,547,551

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081,688 : 12,547,551 = 12,547,551 : x
2. Step 2: Convert to fraction form
   8,081,688/12,547,551 = 12,547,551/x
3. Step 3: Cross multiply
   8,081,688x = 12,547,551 × 12,547,551
4. Step 4: Simplify right side
   8,081,688x = 157,441,036,097,601
5. Step 5: Solve for x
   x = 157,441,036,097,601/8,081,688
6. Step 6: Final answer
   x = 19,481,206.91