Finding the Third Proportional to 1,987,020 and 4,423,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987,020 : 4,423,716 = 4,423,716 : x
2. Step 2: Convert to fraction form
   1,987,020/4,423,716 = 4,423,716/x
3. Step 3: Cross multiply
   1,987,020x = 4,423,716 × 4,423,716
4. Step 4: Simplify right side
   1,987,020x = 19,569,263,248,656
5. Step 5: Solve for x
   x = 19,569,263,248,656/1,987,020
6. Step 6: Final answer
   x = 9,848,548.71