Finding the Third Proportional to 597,915 and 907,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   597,915 : 907,942.50 = 907,942.50 : x
2. Step 2: Convert to fraction form
   597,915/907,942.50 = 907,942.50/x
3. Step 3: Cross multiply
   597,915x = 907,942.50 × 907,942.50
4. Step 4: Simplify right side
   597,915x = 824,359,583,306.25
5. Step 5: Solve for x
   x = 824,359,583,306.25/597,915
6. Step 6: Final answer
   x = 1,378,723.70