Finding the Third Proportional to 1,207,116 and 1,810,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,116 : 1,810,818 = 1,810,818 : x
2. Step 2: Convert to fraction form
   1,207,116/1,810,818 = 1,810,818/x
3. Step 3: Cross multiply
   1,207,116x = 1,810,818 × 1,810,818
4. Step 4: Simplify right side
   1,207,116x = 3,279,061,829,124
5. Step 5: Solve for x
   x = 3,279,061,829,124/1,207,116
6. Step 6: Final answer
   x = 2,716,443.02