Finding the Third Proportional to 1,661,161 and 2,602,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,161 : 2,602,454 = 2,602,454 : x
2. Step 2: Convert to fraction form
   1,661,161/2,602,454 = 2,602,454/x
3. Step 3: Cross multiply
   1,661,161x = 2,602,454 × 2,602,454
4. Step 4: Simplify right side
   1,661,161x = 6,772,766,822,116
5. Step 5: Solve for x
   x = 6,772,766,822,116/1,661,161
6. Step 6: Final answer
   x = 4,077,128.48