Finding the Third Proportional to 3,864,322.50 and 5,109,399

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,322.50 : 5,109,399 = 5,109,399 : x
2. Step 2: Convert to fraction form
   3,864,322.50/5,109,399 = 5,109,399/x
3. Step 3: Cross multiply
   3,864,322.50x = 5,109,399 × 5,109,399
4. Step 4: Simplify right side
   3,864,322.50x = 26,105,958,141,201
5. Step 5: Solve for x
   x = 26,105,958,141,201/3,864,322.50
6. Step 6: Final answer
   x = 6,755,636.50