Finding the Third Proportional to 980,180 and 2,123,260

Step by Step Solution

1. Step 1: Write the proportion equation
   980,180 : 2,123,260 = 2,123,260 : x
2. Step 2: Convert to fraction form
   980,180/2,123,260 = 2,123,260/x
3. Step 3: Cross multiply
   980,180x = 2,123,260 × 2,123,260
4. Step 4: Simplify right side
   980,180x = 4,508,233,027,600
5. Step 5: Solve for x
   x = 4,508,233,027,600/980,180
6. Step 6: Final answer
   x = 4,599,393.00