Finding the Third Proportional to 685,201 and 1,507,090

Step by Step Solution

1. Step 1: Write the proportion equation
   685,201 : 1,507,090 = 1,507,090 : x
2. Step 2: Convert to fraction form
   685,201/1,507,090 = 1,507,090/x
3. Step 3: Cross multiply
   685,201x = 1,507,090 × 1,507,090
4. Step 4: Simplify right side
   685,201x = 2,271,320,268,100
5. Step 5: Solve for x
   x = 2,271,320,268,100/685,201
6. Step 6: Final answer
   x = 3,314,823.34