Finding the Third Proportional to 1,301,600 and 2,666,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301,600 : 2,666,620 = 2,666,620 : x
2. Step 2: Convert to fraction form
   1,301,600/2,666,620 = 2,666,620/x
3. Step 3: Cross multiply
   1,301,600x = 2,666,620 × 2,666,620
4. Step 4: Simplify right side
   1,301,600x = 7,110,862,224,400
5. Step 5: Solve for x
   x = 7,110,862,224,400/1,301,600
6. Step 6: Final answer
   x = 5,463,170.12