Finding the Third Proportional to 2,123,640 and 4,620,526

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,640 : 4,620,526 = 4,620,526 : x
2. Step 2: Convert to fraction form
   2,123,640/4,620,526 = 4,620,526/x
3. Step 3: Cross multiply
   2,123,640x = 4,620,526 × 4,620,526
4. Step 4: Simplify right side
   2,123,640x = 21,349,260,516,676
5. Step 5: Solve for x
   x = 21,349,260,516,676/2,123,640
6. Step 6: Final answer
   x = 10,053,144.84