Finding the Third Proportional to 1,207,116 and 2,513,403

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,116 : 2,513,403 = 2,513,403 : x
2. Step 2: Convert to fraction form
   1,207,116/2,513,403 = 2,513,403/x
3. Step 3: Cross multiply
   1,207,116x = 2,513,403 × 2,513,403
4. Step 4: Simplify right side
   1,207,116x = 6,317,194,640,409
5. Step 5: Solve for x
   x = 6,317,194,640,409/1,207,116
6. Step 6: Final answer
   x = 5,233,295.43