Finding the Third Proportional to 1,236,410 and 2,636,133

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,410 : 2,636,133 = 2,636,133 : x
2. Step 2: Convert to fraction form
   1,236,410/2,636,133 = 2,636,133/x
3. Step 3: Cross multiply
   1,236,410x = 2,636,133 × 2,636,133
4. Step 4: Simplify right side
   1,236,410x = 6,949,197,193,689
5. Step 5: Solve for x
   x = 6,949,197,193,689/1,236,410
6. Step 6: Final answer
   x = 5,620,463.43