Finding the Third Proportional to 1,219,246 and 1,811,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,246 : 1,811,206 = 1,811,206 : x
2. Step 2: Convert to fraction form
   1,219,246/1,811,206 = 1,811,206/x
3. Step 3: Cross multiply
   1,219,246x = 1,811,206 × 1,811,206
4. Step 4: Simplify right side
   1,219,246x = 3,280,467,174,436
5. Step 5: Solve for x
   x = 3,280,467,174,436/1,219,246
6. Step 6: Final answer
   x = 2,690,570.38