Finding the Third Proportional to 79,349 and 105,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,349 : 105,307.50 = 105,307.50 : x
2. Step 2: Convert to fraction form
   79,349/105,307.50 = 105,307.50/x
3. Step 3: Cross multiply
   79,349x = 105,307.50 × 105,307.50
4. Step 4: Simplify right side
   79,349x = 11,089,669,556.25
5. Step 5: Solve for x
   x = 11,089,669,556.25/79,349
6. Step 6: Final answer
   x = 139,758.15