Finding the Third Proportional to 388,402.25 and 830,773

Step by Step Solution

1. Step 1: Write the proportion equation
   388,402.25 : 830,773 = 830,773 : x
2. Step 2: Convert to fraction form
   388,402.25/830,773 = 830,773/x
3. Step 3: Cross multiply
   388,402.25x = 830,773 × 830,773
4. Step 4: Simplify right side
   388,402.25x = 690,183,777,529
5. Step 5: Solve for x
   x = 690,183,777,529/388,402.25
6. Step 6: Final answer
   x = 1,776,981.92