Finding the Third Proportional to 118,416.94 and 153,631.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,416.94 : 153,631.69 = 153,631.69 : x
2. Step 2: Convert to fraction form
   118,416.94/153,631.69 = 153,631.69/x
3. Step 3: Cross multiply
   118,416.94x = 153,631.69 × 153,631.69
4. Step 4: Simplify right side
   118,416.94x = 23,602,695,404.10
5. Step 5: Solve for x
   x = 23,602,695,404.10/118,416.94
6. Step 6: Final answer
   x = 199,318.58