Finding the Third Proportional to 1,570,192 and 3,405,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,192 : 3,405,920 = 3,405,920 : x
2. Step 2: Convert to fraction form
   1,570,192/3,405,920 = 3,405,920/x
3. Step 3: Cross multiply
   1,570,192x = 3,405,920 × 3,405,920
4. Step 4: Simplify right side
   1,570,192x = 11,600,291,046,400
5. Step 5: Solve for x
   x = 11,600,291,046,400/1,570,192
6. Step 6: Final answer
   x = 7,387,816.93