Finding the Third Proportional to 702,928 and 1,089,384

Step by Step Solution

1. Step 1: Write the proportion equation
   702,928 : 1,089,384 = 1,089,384 : x
2. Step 2: Convert to fraction form
   702,928/1,089,384 = 1,089,384/x
3. Step 3: Cross multiply
   702,928x = 1,089,384 × 1,089,384
4. Step 4: Simplify right side
   702,928x = 1,186,757,499,456
5. Step 5: Solve for x
   x = 1,186,757,499,456/702,928
6. Step 6: Final answer
   x = 1,688,305.91