Finding the Third Proportional to 6,312,288 and 8,931,744

Step by Step Solution

1. Step 1: Write the proportion equation
   6,312,288 : 8,931,744 = 8,931,744 : x
2. Step 2: Convert to fraction form
   6,312,288/8,931,744 = 8,931,744/x
3. Step 3: Cross multiply
   6,312,288x = 8,931,744 × 8,931,744
4. Step 4: Simplify right side
   6,312,288x = 79,776,050,881,536
5. Step 5: Solve for x
   x = 79,776,050,881,536/6,312,288
6. Step 6: Final answer
   x = 12,638,214.68