Finding the Third Proportional to 445,216.50 and 986,472

Step by Step Solution

1. Step 1: Write the proportion equation
   445,216.50 : 986,472 = 986,472 : x
2. Step 2: Convert to fraction form
   445,216.50/986,472 = 986,472/x
3. Step 3: Cross multiply
   445,216.50x = 986,472 × 986,472
4. Step 4: Simplify right side
   445,216.50x = 973,127,006,784
5. Step 5: Solve for x
   x = 973,127,006,784/445,216.50
6. Step 6: Final answer
   x = 2,185,738.86