Finding the Third Proportional to 2,122,743 and 4,662,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,743 : 4,662,499.50 = 4,662,499.50 : x
2. Step 2: Convert to fraction form
   2,122,743/4,662,499.50 = 4,662,499.50/x
3. Step 3: Cross multiply
   2,122,743x = 4,662,499.50 × 4,662,499.50
4. Step 4: Simplify right side
   2,122,743x = 21,738,901,587,500.25
5. Step 5: Solve for x
   x = 21,738,901,587,500.25/2,122,743
6. Step 6: Final answer
   x = 10,240,948.43