Finding the Third Proportional to 410,739 and 898,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   410,739 : 898,777.50 = 898,777.50 : x
2. Step 2: Convert to fraction form
   410,739/898,777.50 = 898,777.50/x
3. Step 3: Cross multiply
   410,739x = 898,777.50 × 898,777.50
4. Step 4: Simplify right side
   410,739x = 807,800,994,506.25
5. Step 5: Solve for x
   x = 807,800,994,506.25/410,739
6. Step 6: Final answer
   x = 1,966,701.47