Finding the Third Proportional to 1,688,922 and 2,619,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,922 : 2,619,072 = 2,619,072 : x
2. Step 2: Convert to fraction form
   1,688,922/2,619,072 = 2,619,072/x
3. Step 3: Cross multiply
   1,688,922x = 2,619,072 × 2,619,072
4. Step 4: Simplify right side
   1,688,922x = 6,859,538,141,184
5. Step 5: Solve for x
   x = 6,859,538,141,184/1,688,922
6. Step 6: Final answer
   x = 4,061,489.01