Finding the Third Proportional to 6,643,143 and 10,847,560.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643,143 : 10,847,560.50 = 10,847,560.50 : x
2. Step 2: Convert to fraction form
   6,643,143/10,847,560.50 = 10,847,560.50/x
3. Step 3: Cross multiply
   6,643,143x = 10,847,560.50 × 10,847,560.50
4. Step 4: Simplify right side
   6,643,143x = 117,669,568,801,160.25
5. Step 5: Solve for x
   x = 117,669,568,801,160.25/6,643,143
6. Step 6: Final answer
   x = 17,712,936.30