Finding the Third Proportional to 623,907 and 948,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,907 : 948,991.50 = 948,991.50 : x
2. Step 2: Convert to fraction form
   623,907/948,991.50 = 948,991.50/x
3. Step 3: Cross multiply
   623,907x = 948,991.50 × 948,991.50
4. Step 4: Simplify right side
   623,907x = 900,584,867,072.25
5. Step 5: Solve for x
   x = 900,584,867,072.25/623,907
6. Step 6: Final answer
   x = 1,443,460.11