Finding the Third Proportional to 1,295,888 and 1,918,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,295,888 : 1,918,308 = 1,918,308 : x
2. Step 2: Convert to fraction form
   1,295,888/1,918,308 = 1,918,308/x
3. Step 3: Cross multiply
   1,295,888x = 1,918,308 × 1,918,308
4. Step 4: Simplify right side
   1,295,888x = 3,679,905,582,864
5. Step 5: Solve for x
   x = 3,679,905,582,864/1,295,888
6. Step 6: Final answer
   x = 2,839,678.72