Finding the Third Proportional to 6,638,854.50 and 10,019,271

Step by Step Solution

1. Step 1: Write the proportion equation
   6,638,854.50 : 10,019,271 = 10,019,271 : x
2. Step 2: Convert to fraction form
   6,638,854.50/10,019,271 = 10,019,271/x
3. Step 3: Cross multiply
   6,638,854.50x = 10,019,271 × 10,019,271
4. Step 4: Simplify right side
   6,638,854.50x = 100,385,791,371,441
5. Step 5: Solve for x
   x = 100,385,791,371,441/6,638,854.50
6. Step 6: Final answer
   x = 15,120,950.67