Finding the Third Proportional to 1,780,144 and 2,758,175

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,144 : 2,758,175 = 2,758,175 : x
2. Step 2: Convert to fraction form
   1,780,144/2,758,175 = 2,758,175/x
3. Step 3: Cross multiply
   1,780,144x = 2,758,175 × 2,758,175
4. Step 4: Simplify right side
   1,780,144x = 7,607,529,330,625
5. Step 5: Solve for x
   x = 7,607,529,330,625/1,780,144
6. Step 6: Final answer
   x = 4,273,547.16