Finding the Third Proportional to 590,415 and 1,222,839

Step by Step Solution

1. Step 1: Write the proportion equation
   590,415 : 1,222,839 = 1,222,839 : x
2. Step 2: Convert to fraction form
   590,415/1,222,839 = 1,222,839/x
3. Step 3: Cross multiply
   590,415x = 1,222,839 × 1,222,839
4. Step 4: Simplify right side
   590,415x = 1,495,335,219,921
5. Step 5: Solve for x
   x = 1,495,335,219,921/590,415
6. Step 6: Final answer
   x = 2,532,685.01