Finding the Third Proportional to 6,422,988 and 8,748,504

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422,988 : 8,748,504 = 8,748,504 : x
2. Step 2: Convert to fraction form
   6,422,988/8,748,504 = 8,748,504/x
3. Step 3: Cross multiply
   6,422,988x = 8,748,504 × 8,748,504
4. Step 4: Simplify right side
   6,422,988x = 76,536,322,238,016
5. Step 5: Solve for x
   x = 76,536,322,238,016/6,422,988
6. Step 6: Final answer
   x = 11,915,999.57