Finding the Third Proportional to 607,270.50 and 907,560

Step by Step Solution

1. Step 1: Write the proportion equation
   607,270.50 : 907,560 = 907,560 : x
2. Step 2: Convert to fraction form
   607,270.50/907,560 = 907,560/x
3. Step 3: Cross multiply
   607,270.50x = 907,560 × 907,560
4. Step 4: Simplify right side
   607,270.50x = 823,665,153,600
5. Step 5: Solve for x
   x = 823,665,153,600/607,270.50
6. Step 6: Final answer
   x = 1,356,339.81