Finding the Third Proportional to 1,016,456 and 1,355,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,456 : 1,355,090 = 1,355,090 : x
2. Step 2: Convert to fraction form
   1,016,456/1,355,090 = 1,355,090/x
3. Step 3: Cross multiply
   1,016,456x = 1,355,090 × 1,355,090
4. Step 4: Simplify right side
   1,016,456x = 1,836,268,908,100
5. Step 5: Solve for x
   x = 1,836,268,908,100/1,016,456
6. Step 6: Final answer
   x = 1,806,540.48