Finding the Third Proportional to 1,145,520 and 2,262,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,520 : 2,262,137 = 2,262,137 : x
2. Step 2: Convert to fraction form
   1,145,520/2,262,137 = 2,262,137/x
3. Step 3: Cross multiply
   1,145,520x = 2,262,137 × 2,262,137
4. Step 4: Simplify right side
   1,145,520x = 5,117,263,806,769
5. Step 5: Solve for x
   x = 5,117,263,806,769/1,145,520
6. Step 6: Final answer
   x = 4,467,197.26