Finding the Third Proportional to 8,081,574 and 12,547,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081,574 : 12,547,321.50 = 12,547,321.50 : x
2. Step 2: Convert to fraction form
   8,081,574/12,547,321.50 = 12,547,321.50/x
3. Step 3: Cross multiply
   8,081,574x = 12,547,321.50 × 12,547,321.50
4. Step 4: Simplify right side
   8,081,574x = 157,435,276,824,362.25
5. Step 5: Solve for x
   x = 157,435,276,824,362.25/8,081,574
6. Step 6: Final answer
   x = 19,480,769.07