Finding the Third Proportional to 2,864,628 and 4,142,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,628 : 4,142,758.50 = 4,142,758.50 : x
2. Step 2: Convert to fraction form
   2,864,628/4,142,758.50 = 4,142,758.50/x
3. Step 3: Cross multiply
   2,864,628x = 4,142,758.50 × 4,142,758.50
4. Step 4: Simplify right side
   2,864,628x = 17,162,447,989,322.25
5. Step 5: Solve for x
   x = 17,162,447,989,322.25/2,864,628
6. Step 6: Final answer
   x = 5,991,161.15