Finding the Third Proportional to 713,128 and 1,554,200

Step by Step Solution

1. Step 1: Write the proportion equation
   713,128 : 1,554,200 = 1,554,200 : x
2. Step 2: Convert to fraction form
   713,128/1,554,200 = 1,554,200/x
3. Step 3: Cross multiply
   713,128x = 1,554,200 × 1,554,200
4. Step 4: Simplify right side
   713,128x = 2,415,537,640,000
5. Step 5: Solve for x
   x = 2,415,537,640,000/713,128
6. Step 6: Final answer
   x = 3,387,242.74