Finding the Third Proportional to 1,828,370 and 3,937,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828,370 : 3,937,720 = 3,937,720 : x
2. Step 2: Convert to fraction form
   1,828,370/3,937,720 = 3,937,720/x
3. Step 3: Cross multiply
   1,828,370x = 3,937,720 × 3,937,720
4. Step 4: Simplify right side
   1,828,370x = 15,505,638,798,400
5. Step 5: Solve for x
   x = 15,505,638,798,400/1,828,370
6. Step 6: Final answer
   x = 8,480,580.41