Finding the Third Proportional to 1,420,272 and 3,089,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,272 : 3,089,376 = 3,089,376 : x
2. Step 2: Convert to fraction form
   1,420,272/3,089,376 = 3,089,376/x
3. Step 3: Cross multiply
   1,420,272x = 3,089,376 × 3,089,376
4. Step 4: Simplify right side
   1,420,272x = 9,544,244,069,376
5. Step 5: Solve for x
   x = 9,544,244,069,376/1,420,272
6. Step 6: Final answer
   x = 6,720,011.43