Finding the Third Proportional to 620,913.50 and 910,922

Step by Step Solution

1. Step 1: Write the proportion equation
   620,913.50 : 910,922 = 910,922 : x
2. Step 2: Convert to fraction form
   620,913.50/910,922 = 910,922/x
3. Step 3: Cross multiply
   620,913.50x = 910,922 × 910,922
4. Step 4: Simplify right side
   620,913.50x = 829,778,890,084
5. Step 5: Solve for x
   x = 829,778,890,084/620,913.50
6. Step 6: Final answer
   x = 1,336,384.04