Finding the Third Proportional to 424,642.50 and 924,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,642.50 : 924,007.50 = 924,007.50 : x
2. Step 2: Convert to fraction form
   424,642.50/924,007.50 = 924,007.50/x
3. Step 3: Cross multiply
   424,642.50x = 924,007.50 × 924,007.50
4. Step 4: Simplify right side
   424,642.50x = 853,789,860,056.25
5. Step 5: Solve for x
   x = 853,789,860,056.25/424,642.50
6. Step 6: Final answer
   x = 2,010,608.59