Finding the Third Proportional to 978,644 and 1,430,202

Step by Step Solution

1. Step 1: Write the proportion equation
   978,644 : 1,430,202 = 1,430,202 : x
2. Step 2: Convert to fraction form
   978,644/1,430,202 = 1,430,202/x
3. Step 3: Cross multiply
   978,644x = 1,430,202 × 1,430,202
4. Step 4: Simplify right side
   978,644x = 2,045,477,760,804
5. Step 5: Solve for x
   x = 2,045,477,760,804/978,644
6. Step 6: Final answer
   x = 2,090,114.24