Finding the Third Proportional to 610,704 and 897,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   610,704 : 897,808.50 = 897,808.50 : x
2. Step 2: Convert to fraction form
   610,704/897,808.50 = 897,808.50/x
3. Step 3: Cross multiply
   610,704x = 897,808.50 × 897,808.50
4. Step 4: Simplify right side
   610,704x = 806,060,102,672.25
5. Step 5: Solve for x
   x = 806,060,102,672.25/610,704
6. Step 6: Final answer
   x = 1,319,886.73