Finding the Third Proportional to 1,242,072 and 2,661,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,072 : 2,661,210 = 2,661,210 : x
2. Step 2: Convert to fraction form
   1,242,072/2,661,210 = 2,661,210/x
3. Step 3: Cross multiply
   1,242,072x = 2,661,210 × 2,661,210
4. Step 4: Simplify right side
   1,242,072x = 7,082,038,664,100
5. Step 5: Solve for x
   x = 7,082,038,664,100/1,242,072
6. Step 6: Final answer
   x = 5,701,793.99