Finding the Third Proportional to 713,976 and 1,487,128

Step by Step Solution

1. Step 1: Write the proportion equation
   713,976 : 1,487,128 = 1,487,128 : x
2. Step 2: Convert to fraction form
   713,976/1,487,128 = 1,487,128/x
3. Step 3: Cross multiply
   713,976x = 1,487,128 × 1,487,128
4. Step 4: Simplify right side
   713,976x = 2,211,549,688,384
5. Step 5: Solve for x
   x = 2,211,549,688,384/713,976
6. Step 6: Final answer
   x = 3,097,512.65