Finding the Third Proportional to 6,420,964 and 8,804,706

Step by Step Solution

1. Step 1: Write the proportion equation
   6,420,964 : 8,804,706 = 8,804,706 : x
2. Step 2: Convert to fraction form
   6,420,964/8,804,706 = 8,804,706/x
3. Step 3: Cross multiply
   6,420,964x = 8,804,706 × 8,804,706
4. Step 4: Simplify right side
   6,420,964x = 77,522,847,746,436
5. Step 5: Solve for x
   x = 77,522,847,746,436/6,420,964
6. Step 6: Final answer
   x = 12,073,397.04