Finding the Third Proportional to 6,665,521 and 9,954,681

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665,521 : 9,954,681 = 9,954,681 : x
2. Step 2: Convert to fraction form
   6,665,521/9,954,681 = 9,954,681/x
3. Step 3: Cross multiply
   6,665,521x = 9,954,681 × 9,954,681
4. Step 4: Simplify right side
   6,665,521x = 99,095,673,811,761
5. Step 5: Solve for x
   x = 99,095,673,811,761/6,665,521
6. Step 6: Final answer
   x = 14,866,905.95