Finding the Third Proportional to 607,245 and 907,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,245 : 907,564.50 = 907,564.50 : x
2. Step 2: Convert to fraction form
   607,245/907,564.50 = 907,564.50/x
3. Step 3: Cross multiply
   607,245x = 907,564.50 × 907,564.50
4. Step 4: Simplify right side
   607,245x = 823,673,321,660.25
5. Step 5: Solve for x
   x = 823,673,321,660.25/607,245
6. Step 6: Final answer
   x = 1,356,410.22