Finding the Third Proportional to 1,878,257 and 2,817,770

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878,257 : 2,817,770 = 2,817,770 : x
2. Step 2: Convert to fraction form
   1,878,257/2,817,770 = 2,817,770/x
3. Step 3: Cross multiply
   1,878,257x = 2,817,770 × 2,817,770
4. Step 4: Simplify right side
   1,878,257x = 7,939,827,772,900
5. Step 5: Solve for x
   x = 7,939,827,772,900/1,878,257
6. Step 6: Final answer
   x = 4,227,231.83