Finding the Third Proportional to 1,213,218 and 1,903,014

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,218 : 1,903,014 = 1,903,014 : x
2. Step 2: Convert to fraction form
   1,213,218/1,903,014 = 1,903,014/x
3. Step 3: Cross multiply
   1,213,218x = 1,903,014 × 1,903,014
4. Step 4: Simplify right side
   1,213,218x = 3,621,462,284,196
5. Step 5: Solve for x
   x = 3,621,462,284,196/1,213,218
6. Step 6: Final answer
   x = 2,985,005.40