Finding the Third Proportional to 187,836 and 291,300

Step by Step Solution

1. Step 1: Write the proportion equation
   187,836 : 291,300 = 291,300 : x
2. Step 2: Convert to fraction form
   187,836/291,300 = 291,300/x
3. Step 3: Cross multiply
   187,836x = 291,300 × 291,300
4. Step 4: Simplify right side
   187,836x = 84,855,690,000
5. Step 5: Solve for x
   x = 84,855,690,000/187,836
6. Step 6: Final answer
   x = 451,754.14