Finding the Third Proportional to 5,411,580 and 8,562,618

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411,580 : 8,562,618 = 8,562,618 : x
2. Step 2: Convert to fraction form
   5,411,580/8,562,618 = 8,562,618/x
3. Step 3: Cross multiply
   5,411,580x = 8,562,618 × 8,562,618
4. Step 4: Simplify right side
   5,411,580x = 73,318,427,013,924
5. Step 5: Solve for x
   x = 73,318,427,013,924/5,411,580
6. Step 6: Final answer
   x = 13,548,432.62