Finding the Third Proportional to 913,808 and 1,980,160

Step by Step Solution

1. Step 1: Write the proportion equation
   913,808 : 1,980,160 = 1,980,160 : x
2. Step 2: Convert to fraction form
   913,808/1,980,160 = 1,980,160/x
3. Step 3: Cross multiply
   913,808x = 1,980,160 × 1,980,160
4. Step 4: Simplify right side
   913,808x = 3,921,033,625,600
5. Step 5: Solve for x
   x = 3,921,033,625,600/913,808
6. Step 6: Final answer
   x = 4,290,872.51