Finding the Third Proportional to 1,966,090 and 2,656,307

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966,090 : 2,656,307 = 2,656,307 : x
2. Step 2: Convert to fraction form
   1,966,090/2,656,307 = 2,656,307/x
3. Step 3: Cross multiply
   1,966,090x = 2,656,307 × 2,656,307
4. Step 4: Simplify right side
   1,966,090x = 7,055,966,878,249
5. Step 5: Solve for x
   x = 7,055,966,878,249/1,966,090
6. Step 6: Final answer
   x = 3,588,832.09