Finding the Third Proportional to 2,123,523 and 4,620,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,523 : 4,620,240 = 4,620,240 : x
2. Step 2: Convert to fraction form
   2,123,523/4,620,240 = 4,620,240/x
3. Step 3: Cross multiply
   2,123,523x = 4,620,240 × 4,620,240
4. Step 4: Simplify right side
   2,123,523x = 21,346,617,657,600
5. Step 5: Solve for x
   x = 21,346,617,657,600/2,123,523
6. Step 6: Final answer
   x = 10,052,454.18