Finding the Third Proportional to 4,130,613 and 8,947,458

Step by Step Solution

1. Step 1: Write the proportion equation
   4,130,613 : 8,947,458 = 8,947,458 : x
2. Step 2: Convert to fraction form
   4,130,613/8,947,458 = 8,947,458/x
3. Step 3: Cross multiply
   4,130,613x = 8,947,458 × 8,947,458
4. Step 4: Simplify right side
   4,130,613x = 80,057,004,661,764
5. Step 5: Solve for x
   x = 80,057,004,661,764/4,130,613
6. Step 6: Final answer
   x = 19,381,385.93