Finding the Third Proportional to 1,970,210 and 4,276,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,210 : 4,276,708 = 4,276,708 : x
2. Step 2: Convert to fraction form
   1,970,210/4,276,708 = 4,276,708/x
3. Step 3: Cross multiply
   1,970,210x = 4,276,708 × 4,276,708
4. Step 4: Simplify right side
   1,970,210x = 18,290,231,317,264
5. Step 5: Solve for x
   x = 18,290,231,317,264/1,970,210
6. Step 6: Final answer
   x = 9,283,391.78