Finding the Third Proportional to 54,666 and 71,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,666 : 71,779.50 = 71,779.50 : x
2. Step 2: Convert to fraction form
   54,666/71,779.50 = 71,779.50/x
3. Step 3: Cross multiply
   54,666x = 71,779.50 × 71,779.50
4. Step 4: Simplify right side
   54,666x = 5,152,296,620.25
5. Step 5: Solve for x
   x = 5,152,296,620.25/54,666
6. Step 6: Final answer
   x = 94,250.48