Finding the Third Proportional to 2,156,314,986 and 3,312,363,618

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,314,986 : 3,312,363,618 = 3,312,363,618 : x
2. Step 2: Convert to fraction form
   2,156,314,986/3,312,363,618 = 3,312,363,618/x
3. Step 3: Cross multiply
   2,156,314,986x = 3,312,363,618 × 3,312,363,618
4. Step 4: Simplify right side
   2,156,314,986x = 10,971,752,737,850,050,560
5. Step 5: Solve for x
   x = 10,971,752,737,850,050,560/2,156,314,986
6. Step 6: Final answer
   x = 5,088,195,745.56