Finding the Third Proportional to 3,668,871 and 5,558,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668,871 : 5,558,710.50 = 5,558,710.50 : x
2. Step 2: Convert to fraction form
   3,668,871/5,558,710.50 = 5,558,710.50/x
3. Step 3: Cross multiply
   3,668,871x = 5,558,710.50 × 5,558,710.50
4. Step 4: Simplify right side
   3,668,871x = 30,899,262,422,810.25
5. Step 5: Solve for x
   x = 30,899,262,422,810.25/3,668,871
6. Step 6: Final answer
   x = 8,422,008.41