Finding the Third Proportional to 1,780,616 and 4,199,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,616 : 4,199,152 = 4,199,152 : x
2. Step 2: Convert to fraction form
   1,780,616/4,199,152 = 4,199,152/x
3. Step 3: Cross multiply
   1,780,616x = 4,199,152 × 4,199,152
4. Step 4: Simplify right side
   1,780,616x = 17,632,877,519,104
5. Step 5: Solve for x
   x = 17,632,877,519,104/1,780,616
6. Step 6: Final answer
   x = 9,902,683.97