Finding the Third Proportional to 48,317 and 65,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,317 : 65,090.50 = 65,090.50 : x
2. Step 2: Convert to fraction form
   48,317/65,090.50 = 65,090.50/x
3. Step 3: Cross multiply
   48,317x = 65,090.50 × 65,090.50
4. Step 4: Simplify right side
   48,317x = 4,236,773,190.25
5. Step 5: Solve for x
   x = 4,236,773,190.25/48,317
6. Step 6: Final answer
   x = 87,687.01