Finding the Third Proportional to 747,768 and 1,122,600

Step by Step Solution

1. Step 1: Write the proportion equation
   747,768 : 1,122,600 = 1,122,600 : x
2. Step 2: Convert to fraction form
   747,768/1,122,600 = 1,122,600/x
3. Step 3: Cross multiply
   747,768x = 1,122,600 × 1,122,600
4. Step 4: Simplify right side
   747,768x = 1,260,230,760,000
5. Step 5: Solve for x
   x = 1,260,230,760,000/747,768
6. Step 6: Final answer
   x = 1,685,323.20