Finding the Third Proportional to 601,398 and 899,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   601,398 : 899,140.50 = 899,140.50 : x
2. Step 2: Convert to fraction form
   601,398/899,140.50 = 899,140.50/x
3. Step 3: Cross multiply
   601,398x = 899,140.50 × 899,140.50
4. Step 4: Simplify right side
   601,398x = 808,453,638,740.25
5. Step 5: Solve for x
   x = 808,453,638,740.25/601,398
6. Step 6: Final answer
   x = 1,344,290.53