Finding the Third Proportional to 623,931 and 926,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,931 : 926,719.50 = 926,719.50 : x
2. Step 2: Convert to fraction form
   623,931/926,719.50 = 926,719.50/x
3. Step 3: Cross multiply
   623,931x = 926,719.50 × 926,719.50
4. Step 4: Simplify right side
   623,931x = 858,809,031,680.25
5. Step 5: Solve for x
   x = 858,809,031,680.25/623,931
6. Step 6: Final answer
   x = 1,376,448.73