Finding the Third Proportional to 623,964 and 892,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,964 : 892,300.50 = 892,300.50 : x
2. Step 2: Convert to fraction form
   623,964/892,300.50 = 892,300.50/x
3. Step 3: Cross multiply
   623,964x = 892,300.50 × 892,300.50
4. Step 4: Simplify right side
   623,964x = 796,200,182,300.25
5. Step 5: Solve for x
   x = 796,200,182,300.25/623,964
6. Step 6: Final answer
   x = 1,276,035.45