Finding the Third Proportional to 414,972 and 845,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,972 : 845,158.50 = 845,158.50 : x
2. Step 2: Convert to fraction form
   414,972/845,158.50 = 845,158.50/x
3. Step 3: Cross multiply
   414,972x = 845,158.50 × 845,158.50
4. Step 4: Simplify right side
   414,972x = 714,292,890,122.25
5. Step 5: Solve for x
   x = 714,292,890,122.25/414,972
6. Step 6: Final answer
   x = 1,721,303.82