Finding the Third Proportional to 1,157,431 and 2,538,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,431 : 2,538,972 = 2,538,972 : x
2. Step 2: Convert to fraction form
   1,157,431/2,538,972 = 2,538,972/x
3. Step 3: Cross multiply
   1,157,431x = 2,538,972 × 2,538,972
4. Step 4: Simplify right side
   1,157,431x = 6,446,378,816,784
5. Step 5: Solve for x
   x = 6,446,378,816,784/1,157,431
6. Step 6: Final answer
   x = 5,569,557.77