Finding the Third Proportional to 1,607,364 and 2,188,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607,364 : 2,188,912 = 2,188,912 : x
2. Step 2: Convert to fraction form
   1,607,364/2,188,912 = 2,188,912/x
3. Step 3: Cross multiply
   1,607,364x = 2,188,912 × 2,188,912
4. Step 4: Simplify right side
   1,607,364x = 4,791,335,743,744
5. Step 5: Solve for x
   x = 4,791,335,743,744/1,607,364
6. Step 6: Final answer
   x = 2,980,865.41