Finding the Third Proportional to 2,122,740 and 4,662,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,740 : 4,662,493.50 = 4,662,493.50 : x
2. Step 2: Convert to fraction form
   2,122,740/4,662,493.50 = 4,662,493.50/x
3. Step 3: Cross multiply
   2,122,740x = 4,662,493.50 × 4,662,493.50
4. Step 4: Simplify right side
   2,122,740x = 21,738,845,637,542.25
5. Step 5: Solve for x
   x = 21,738,845,637,542.25/2,122,740
6. Step 6: Final answer
   x = 10,240,936.54