Finding the Third Proportional to 77,130.50 and 116,518

Step by Step Solution

1. Step 1: Write the proportion equation
   77,130.50 : 116,518 = 116,518 : x
2. Step 2: Convert to fraction form
   77,130.50/116,518 = 116,518/x
3. Step 3: Cross multiply
   77,130.50x = 116,518 × 116,518
4. Step 4: Simplify right side
   77,130.50x = 13,576,444,324
5. Step 5: Solve for x
   x = 13,576,444,324/77,130.50
6. Step 6: Final answer
   x = 176,019.14