Finding the Third Proportional to 5,499,297 and 8,319,708

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499,297 : 8,319,708 = 8,319,708 : x
2. Step 2: Convert to fraction form
   5,499,297/8,319,708 = 8,319,708/x
3. Step 3: Cross multiply
   5,499,297x = 8,319,708 × 8,319,708
4. Step 4: Simplify right side
   5,499,297x = 69,217,541,205,264
5. Step 5: Solve for x
   x = 69,217,541,205,264/5,499,297
6. Step 6: Final answer
   x = 12,586,616.29