Finding the Third Proportional to 729,320 and 1,575,280

Step by Step Solution

1. Step 1: Write the proportion equation
   729,320 : 1,575,280 = 1,575,280 : x
2. Step 2: Convert to fraction form
   729,320/1,575,280 = 1,575,280/x
3. Step 3: Cross multiply
   729,320x = 1,575,280 × 1,575,280
4. Step 4: Simplify right side
   729,320x = 2,481,507,078,400
5. Step 5: Solve for x
   x = 2,481,507,078,400/729,320
6. Step 6: Final answer
   x = 3,402,494.21