Finding the Third Proportional to 1,122,068 and 1,578,270

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,068 : 1,578,270 = 1,578,270 : x
2. Step 2: Convert to fraction form
   1,122,068/1,578,270 = 1,578,270/x
3. Step 3: Cross multiply
   1,122,068x = 1,578,270 × 1,578,270
4. Step 4: Simplify right side
   1,122,068x = 2,490,936,192,900
5. Step 5: Solve for x
   x = 2,490,936,192,900/1,122,068
6. Step 6: Final answer
   x = 2,219,951.19