Finding the Third Proportional to 1,639,719 and 3,602,259

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,719 : 3,602,259 = 3,602,259 : x
2. Step 2: Convert to fraction form
   1,639,719/3,602,259 = 3,602,259/x
3. Step 3: Cross multiply
   1,639,719x = 3,602,259 × 3,602,259
4. Step 4: Simplify right side
   1,639,719x = 12,976,269,903,081
5. Step 5: Solve for x
   x = 12,976,269,903,081/1,639,719
6. Step 6: Final answer
   x = 7,913,715.64