Finding the Third Proportional to 747,974 and 1,636,159

Step by Step Solution

1. Step 1: Write the proportion equation
   747,974 : 1,636,159 = 1,636,159 : x
2. Step 2: Convert to fraction form
   747,974/1,636,159 = 1,636,159/x
3. Step 3: Cross multiply
   747,974x = 1,636,159 × 1,636,159
4. Step 4: Simplify right side
   747,974x = 2,677,016,273,281
5. Step 5: Solve for x
   x = 2,677,016,273,281/747,974
6. Step 6: Final answer
   x = 3,579,023.17