Finding the Third Proportional to 1,865,115 and 2,786,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,115 : 2,786,118 = 2,786,118 : x
2. Step 2: Convert to fraction form
   1,865,115/2,786,118 = 2,786,118/x
3. Step 3: Cross multiply
   1,865,115x = 2,786,118 × 2,786,118
4. Step 4: Simplify right side
   1,865,115x = 7,762,453,509,924
5. Step 5: Solve for x
   x = 7,762,453,509,924/1,865,115
6. Step 6: Final answer
   x = 4,161,916.83