Finding the Third Proportional to 51,773.50 and 76,931

Step by Step Solution

1. Step 1: Write the proportion equation
   51,773.50 : 76,931 = 76,931 : x
2. Step 2: Convert to fraction form
   51,773.50/76,931 = 76,931/x
3. Step 3: Cross multiply
   51,773.50x = 76,931 × 76,931
4. Step 4: Simplify right side
   51,773.50x = 5,918,378,761
5. Step 5: Solve for x
   x = 5,918,378,761/51,773.50
6. Step 6: Final answer
   x = 114,312.90