Finding the Third Proportional to 716,090 and 1,003,815

Step by Step Solution

1. Step 1: Write the proportion equation
   716,090 : 1,003,815 = 1,003,815 : x
2. Step 2: Convert to fraction form
   716,090/1,003,815 = 1,003,815/x
3. Step 3: Cross multiply
   716,090x = 1,003,815 × 1,003,815
4. Step 4: Simplify right side
   716,090x = 1,007,644,554,225
5. Step 5: Solve for x
   x = 1,007,644,554,225/716,090
6. Step 6: Final answer
   x = 1,407,147.92