Finding the Third Proportional to 48,321 and 76,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,321 : 76,873.50 = 76,873.50 : x
2. Step 2: Convert to fraction form
   48,321/76,873.50 = 76,873.50/x
3. Step 3: Cross multiply
   48,321x = 76,873.50 × 76,873.50
4. Step 4: Simplify right side
   48,321x = 5,909,535,002.25
5. Step 5: Solve for x
   x = 5,909,535,002.25/48,321
6. Step 6: Final answer
   x = 122,297.45