Finding the Third Proportional to 1,045,272 and 2,289,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,272 : 2,289,840 = 2,289,840 : x
2. Step 2: Convert to fraction form
   1,045,272/2,289,840 = 2,289,840/x
3. Step 3: Cross multiply
   1,045,272x = 2,289,840 × 2,289,840
4. Step 4: Simplify right side
   1,045,272x = 5,243,367,225,600
5. Step 5: Solve for x
   x = 5,243,367,225,600/1,045,272
6. Step 6: Final answer
   x = 5,016,270.62