Finding the Third Proportional to 4,011,456 and 8,354,688

Step by Step Solution

1. Step 1: Write the proportion equation
   4,011,456 : 8,354,688 = 8,354,688 : x
2. Step 2: Convert to fraction form
   4,011,456/8,354,688 = 8,354,688/x
3. Step 3: Cross multiply
   4,011,456x = 8,354,688 × 8,354,688
4. Step 4: Simplify right side
   4,011,456x = 69,800,811,577,344
5. Step 5: Solve for x
   x = 69,800,811,577,344/4,011,456
6. Step 6: Final answer
   x = 17,400,368.24