Finding the Third Proportional to 187,056 and 387,411.75

Step by Step Solution

1. Step 1: Write the proportion equation
   187,056 : 387,411.75 = 387,411.75 : x
2. Step 2: Convert to fraction form
   187,056/387,411.75 = 387,411.75/x
3. Step 3: Cross multiply
   187,056x = 387,411.75 × 387,411.75
4. Step 4: Simplify right side
   187,056x = 150,087,864,038.06
5. Step 5: Solve for x
   x = 150,087,864,038.06/187,056
6. Step 6: Final answer
   x = 802,368.62