Finding the Third Proportional to 1,210,388 and 1,758,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,388 : 1,758,828 = 1,758,828 : x
2. Step 2: Convert to fraction form
   1,210,388/1,758,828 = 1,758,828/x
3. Step 3: Cross multiply
   1,210,388x = 1,758,828 × 1,758,828
4. Step 4: Simplify right side
   1,210,388x = 3,093,475,933,584
5. Step 5: Solve for x
   x = 3,093,475,933,584/1,210,388
6. Step 6: Final answer
   x = 2,555,772.14