Finding the Third Proportional to 703,018 and 1,089,484

Step by Step Solution

1. Step 1: Write the proportion equation
   703,018 : 1,089,484 = 1,089,484 : x
2. Step 2: Convert to fraction form
   703,018/1,089,484 = 1,089,484/x
3. Step 3: Cross multiply
   703,018x = 1,089,484 × 1,089,484
4. Step 4: Simplify right side
   703,018x = 1,186,975,386,256
5. Step 5: Solve for x
   x = 1,186,975,386,256/703,018
6. Step 6: Final answer
   x = 1,688,399.71