Finding the Third Proportional to 641,700 and 897,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,700 : 897,187.50 = 897,187.50 : x
2. Step 2: Convert to fraction form
   641,700/897,187.50 = 897,187.50/x
3. Step 3: Cross multiply
   641,700x = 897,187.50 × 897,187.50
4. Step 4: Simplify right side
   641,700x = 804,945,410,156.25
5. Step 5: Solve for x
   x = 804,945,410,156.25/641,700
6. Step 6: Final answer
   x = 1,254,395.22