Finding the Third Proportional to 670,224 and 1,445,388

Step by Step Solution

1. Step 1: Write the proportion equation
   670,224 : 1,445,388 = 1,445,388 : x
2. Step 2: Convert to fraction form
   670,224/1,445,388 = 1,445,388/x
3. Step 3: Cross multiply
   670,224x = 1,445,388 × 1,445,388
4. Step 4: Simplify right side
   670,224x = 2,089,146,470,544
5. Step 5: Solve for x
   x = 2,089,146,470,544/670,224
6. Step 6: Final answer
   x = 3,117,086.93