Finding the Third Proportional to 76,606.50 and 118,140

Step by Step Solution

1. Step 1: Write the proportion equation
   76,606.50 : 118,140 = 118,140 : x
2. Step 2: Convert to fraction form
   76,606.50/118,140 = 118,140/x
3. Step 3: Cross multiply
   76,606.50x = 118,140 × 118,140
4. Step 4: Simplify right side
   76,606.50x = 13,957,059,600
5. Step 5: Solve for x
   x = 13,957,059,600/76,606.50
6. Step 6: Final answer
   x = 182,191.58