Finding the Third Proportional to 5,402,976 and 8,555,472

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402,976 : 8,555,472 = 8,555,472 : x
2. Step 2: Convert to fraction form
   5,402,976/8,555,472 = 8,555,472/x
3. Step 3: Cross multiply
   5,402,976x = 8,555,472 × 8,555,472
4. Step 4: Simplify right side
   5,402,976x = 73,196,101,142,784
5. Step 5: Solve for x
   x = 73,196,101,142,784/5,402,976
6. Step 6: Final answer
   x = 13,547,367.44