Finding the Third Proportional to 1,691,670 and 3,719,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,670 : 3,719,810 = 3,719,810 : x
2. Step 2: Convert to fraction form
   1,691,670/3,719,810 = 3,719,810/x
3. Step 3: Cross multiply
   1,691,670x = 3,719,810 × 3,719,810
4. Step 4: Simplify right side
   1,691,670x = 13,836,986,436,100
5. Step 5: Solve for x
   x = 13,836,986,436,100/1,691,670
6. Step 6: Final answer
   x = 8,179,483.25