Finding the Third Proportional to 2,686,377 and 4,134,090

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,377 : 4,134,090 = 4,134,090 : x
2. Step 2: Convert to fraction form
   2,686,377/4,134,090 = 4,134,090/x
3. Step 3: Cross multiply
   2,686,377x = 4,134,090 × 4,134,090
4. Step 4: Simplify right side
   2,686,377x = 17,090,700,128,100
5. Step 5: Solve for x
   x = 17,090,700,128,100/2,686,377
6. Step 6: Final answer
   x = 6,361,988.70