Finding the Third Proportional to 440,388 and 845,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   440,388 : 845,779.50 = 845,779.50 : x
2. Step 2: Convert to fraction form
   440,388/845,779.50 = 845,779.50/x
3. Step 3: Cross multiply
   440,388x = 845,779.50 × 845,779.50
4. Step 4: Simplify right side
   440,388x = 715,342,962,620.25
5. Step 5: Solve for x
   x = 715,342,962,620.25/440,388
6. Step 6: Final answer
   x = 1,624,347.08