Finding the Third Proportional to 7,226,871 and 10,640,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,226,871 : 10,640,644.50 = 10,640,644.50 : x
2. Step 2: Convert to fraction form
   7,226,871/10,640,644.50 = 10,640,644.50/x
3. Step 3: Cross multiply
   7,226,871x = 10,640,644.50 × 10,640,644.50
4. Step 4: Simplify right side
   7,226,871x = 113,223,315,375,380.25
5. Step 5: Solve for x
   x = 113,223,315,375,380.25/7,226,871
6. Step 6: Final answer
   x = 15,666,989.96