Finding the Third Proportional to 1,640,532 and 3,407,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,532 : 3,407,090 = 3,407,090 : x
2. Step 2: Convert to fraction form
   1,640,532/3,407,090 = 3,407,090/x
3. Step 3: Cross multiply
   1,640,532x = 3,407,090 × 3,407,090
4. Step 4: Simplify right side
   1,640,532x = 11,608,262,268,100
5. Step 5: Solve for x
   x = 11,608,262,268,100/1,640,532
6. Step 6: Final answer
   x = 7,075,913.34