Finding the Third Proportional to 18,346.50 and 37,779.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,346.50 : 37,779.75 = 37,779.75 : x
2. Step 2: Convert to fraction form
   18,346.50/37,779.75 = 37,779.75/x
3. Step 3: Cross multiply
   18,346.50x = 37,779.75 × 37,779.75
4. Step 4: Simplify right side
   18,346.50x = 1,427,309,510.06
5. Step 5: Solve for x
   x = 1,427,309,510.06/18,346.50
6. Step 6: Final answer
   x = 77,797.37