Finding the Third Proportional to 1,570,320 and 3,389,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,320 : 3,389,328 = 3,389,328 : x
2. Step 2: Convert to fraction form
   1,570,320/3,389,328 = 3,389,328/x
3. Step 3: Cross multiply
   1,570,320x = 3,389,328 × 3,389,328
4. Step 4: Simplify right side
   1,570,320x = 11,487,544,291,584
5. Step 5: Solve for x
   x = 11,487,544,291,584/1,570,320
6. Step 6: Final answer
   x = 7,315,416.15