Finding the Third Proportional to 590,754 and 916,506.75

Step by Step Solution

1. Step 1: Write the proportion equation
   590,754 : 916,506.75 = 916,506.75 : x
2. Step 2: Convert to fraction form
   590,754/916,506.75 = 916,506.75/x
3. Step 3: Cross multiply
   590,754x = 916,506.75 × 916,506.75
4. Step 4: Simplify right side
   590,754x = 839,984,622,795.56
5. Step 5: Solve for x
   x = 839,984,622,795.56/590,754
6. Step 6: Final answer
   x = 1,421,885.63