Finding the Third Proportional to 1,970,910 and 4,249,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,910 : 4,249,458 = 4,249,458 : x
2. Step 2: Convert to fraction form
   1,970,910/4,249,458 = 4,249,458/x
3. Step 3: Cross multiply
   1,970,910x = 4,249,458 × 4,249,458
4. Step 4: Simplify right side
   1,970,910x = 18,057,893,293,764
5. Step 5: Solve for x
   x = 18,057,893,293,764/1,970,910
6. Step 6: Final answer
   x = 9,162,211.01