Finding the Third Proportional to 4,039,964 and 8,840,032

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,964 : 8,840,032 = 8,840,032 : x
2. Step 2: Convert to fraction form
   4,039,964/8,840,032 = 8,840,032/x
3. Step 3: Cross multiply
   4,039,964x = 8,840,032 × 8,840,032
4. Step 4: Simplify right side
   4,039,964x = 78,146,165,761,024
5. Step 5: Solve for x
   x = 78,146,165,761,024/4,039,964
6. Step 6: Final answer
   x = 19,343,282.70