Finding the Third Proportional to 387,813 and 595,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,813 : 595,895.50 = 595,895.50 : x
2. Step 2: Convert to fraction form
   387,813/595,895.50 = 595,895.50/x
3. Step 3: Cross multiply
   387,813x = 595,895.50 × 595,895.50
4. Step 4: Simplify right side
   387,813x = 355,091,446,920.25
5. Step 5: Solve for x
   x = 355,091,446,920.25/387,813
6. Step 6: Final answer
   x = 915,625.44