Finding the Third Proportional to 1,201,090 and 2,609,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,090 : 2,609,860 = 2,609,860 : x
2. Step 2: Convert to fraction form
   1,201,090/2,609,860 = 2,609,860/x
3. Step 3: Cross multiply
   1,201,090x = 2,609,860 × 2,609,860
4. Step 4: Simplify right side
   1,201,090x = 6,811,369,219,600
5. Step 5: Solve for x
   x = 6,811,369,219,600/1,201,090
6. Step 6: Final answer
   x = 5,670,989.87