Finding the Third Proportional to 387,072 and 597,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,072 : 597,868.50 = 597,868.50 : x
2. Step 2: Convert to fraction form
   387,072/597,868.50 = 597,868.50/x
3. Step 3: Cross multiply
   387,072x = 597,868.50 × 597,868.50
4. Step 4: Simplify right side
   387,072x = 357,446,743,292.25
5. Step 5: Solve for x
   x = 357,446,743,292.25/387,072
6. Step 6: Final answer
   x = 923,463.19