Finding the Third Proportional to 76,434.75 and 112,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,434.75 : 112,405.50 = 112,405.50 : x
2. Step 2: Convert to fraction form
   76,434.75/112,405.50 = 112,405.50/x
3. Step 3: Cross multiply
   76,434.75x = 112,405.50 × 112,405.50
4. Step 4: Simplify right side
   76,434.75x = 12,634,996,430.25
5. Step 5: Solve for x
   x = 12,634,996,430.25/76,434.75
6. Step 6: Final answer
   x = 165,304.35