Finding the Third Proportional to 2,120,980 and 3,190,254

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,980 : 3,190,254 = 3,190,254 : x
2. Step 2: Convert to fraction form
   2,120,980/3,190,254 = 3,190,254/x
3. Step 3: Cross multiply
   2,120,980x = 3,190,254 × 3,190,254
4. Step 4: Simplify right side
   2,120,980x = 10,177,720,584,516
5. Step 5: Solve for x
   x = 10,177,720,584,516/2,120,980
6. Step 6: Final answer
   x = 4,798,593.38