Finding the Third Proportional to 574,749 and 845,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,749 : 845,419.50 = 845,419.50 : x
2. Step 2: Convert to fraction form
   574,749/845,419.50 = 845,419.50/x
3. Step 3: Cross multiply
   574,749x = 845,419.50 × 845,419.50
4. Step 4: Simplify right side
   574,749x = 714,734,130,980.25
5. Step 5: Solve for x
   x = 714,734,130,980.25/574,749
6. Step 6: Final answer
   x = 1,243,558.72