Finding the Third Proportional to 411,153 and 632,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,153 : 632,779.50 = 632,779.50 : x
2. Step 2: Convert to fraction form
   411,153/632,779.50 = 632,779.50/x
3. Step 3: Cross multiply
   411,153x = 632,779.50 × 632,779.50
4. Step 4: Simplify right side
   411,153x = 400,409,895,620.25
5. Step 5: Solve for x
   x = 400,409,895,620.25/411,153
6. Step 6: Final answer
   x = 973,870.79