Finding the Third Proportional to 2,550,178.69 and 4,282,897.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550,178.69 : 4,282,897.78 = 4,282,897.78 : x
2. Step 2: Convert to fraction form
   2,550,178.69/4,282,897.78 = 4,282,897.78/x
3. Step 3: Cross multiply
   2,550,178.69x = 4,282,897.78 × 4,282,897.78
4. Step 4: Simplify right side
   2,550,178.69x = 18,343,213,404,636.17
5. Step 5: Solve for x
   x = 18,343,213,404,636.17/2,550,178.69
6. Step 6: Final answer
   x = 7,192,912.99