Finding the Third Proportional to 1,238,680 and 1,810,224

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,680 : 1,810,224 = 1,810,224 : x
2. Step 2: Convert to fraction form
   1,238,680/1,810,224 = 1,810,224/x
3. Step 3: Cross multiply
   1,238,680x = 1,810,224 × 1,810,224
4. Step 4: Simplify right side
   1,238,680x = 3,276,910,930,176
5. Step 5: Solve for x
   x = 3,276,910,930,176/1,238,680
6. Step 6: Final answer
   x = 2,645,486.27