Finding the Third Proportional to 1,639,962 and 3,602,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,962 : 3,602,790 = 3,602,790 : x
2. Step 2: Convert to fraction form
   1,639,962/3,602,790 = 3,602,790/x
3. Step 3: Cross multiply
   1,639,962x = 3,602,790 × 3,602,790
4. Step 4: Simplify right side
   1,639,962x = 12,980,095,784,100
5. Step 5: Solve for x
   x = 12,980,095,784,100/1,639,962
6. Step 6: Final answer
   x = 7,914,875.94