Finding the Third Proportional to 3,600,237 and 7,872,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600,237 : 7,872,972 = 7,872,972 : x
2. Step 2: Convert to fraction form
   3,600,237/7,872,972 = 7,872,972/x
3. Step 3: Cross multiply
   3,600,237x = 7,872,972 × 7,872,972
4. Step 4: Simplify right side
   3,600,237x = 61,983,688,112,784
5. Step 5: Solve for x
   x = 61,983,688,112,784/3,600,237
6. Step 6: Final answer
   x = 17,216,557.72