Finding the Third Proportional to 703,268 and 1,089,650

Step by Step Solution

1. Step 1: Write the proportion equation
   703,268 : 1,089,650 = 1,089,650 : x
2. Step 2: Convert to fraction form
   703,268/1,089,650 = 1,089,650/x
3. Step 3: Cross multiply
   703,268x = 1,089,650 × 1,089,650
4. Step 4: Simplify right side
   703,268x = 1,187,337,122,500
5. Step 5: Solve for x
   x = 1,187,337,122,500/703,268
6. Step 6: Final answer
   x = 1,688,313.88