Finding the Third Proportional to 1,045,272 and 2,216,145

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,272 : 2,216,145 = 2,216,145 : x
2. Step 2: Convert to fraction form
   1,045,272/2,216,145 = 2,216,145/x
3. Step 3: Cross multiply
   1,045,272x = 2,216,145 × 2,216,145
4. Step 4: Simplify right side
   1,045,272x = 4,911,298,661,025
5. Step 5: Solve for x
   x = 4,911,298,661,025/1,045,272
6. Step 6: Final answer
   x = 4,698,584.35