Finding the Third Proportional to 1,784,770 and 2,718,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784,770 : 2,718,978 = 2,718,978 : x
2. Step 2: Convert to fraction form
   1,784,770/2,718,978 = 2,718,978/x
3. Step 3: Cross multiply
   1,784,770x = 2,718,978 × 2,718,978
4. Step 4: Simplify right side
   1,784,770x = 7,392,841,364,484
5. Step 5: Solve for x
   x = 7,392,841,364,484/1,784,770
6. Step 6: Final answer
   x = 4,142,181.55