Finding the Third Proportional to 2,132,980 and 4,620,208

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,980 : 4,620,208 = 4,620,208 : x
2. Step 2: Convert to fraction form
   2,132,980/4,620,208 = 4,620,208/x
3. Step 3: Cross multiply
   2,132,980x = 4,620,208 × 4,620,208
4. Step 4: Simplify right side
   2,132,980x = 21,346,321,963,264
5. Step 5: Solve for x
   x = 21,346,321,963,264/2,132,980
6. Step 6: Final answer
   x = 10,007,745.95