Finding the Third Proportional to 764,160 and 1,661,040

Step by Step Solution

1. Step 1: Write the proportion equation
   764,160 : 1,661,040 = 1,661,040 : x
2. Step 2: Convert to fraction form
   764,160/1,661,040 = 1,661,040/x
3. Step 3: Cross multiply
   764,160x = 1,661,040 × 1,661,040
4. Step 4: Simplify right side
   764,160x = 2,759,053,881,600
5. Step 5: Solve for x
   x = 2,759,053,881,600/764,160
6. Step 6: Final answer
   x = 3,610,570.93