Finding the Third Proportional to 117,705 and 151,128.75

Step by Step Solution

1. Step 1: Write the proportion equation
   117,705 : 151,128.75 = 151,128.75 : x
2. Step 2: Convert to fraction form
   117,705/151,128.75 = 151,128.75/x
3. Step 3: Cross multiply
   117,705x = 151,128.75 × 151,128.75
4. Step 4: Simplify right side
   117,705x = 22,839,899,076.56
5. Step 5: Solve for x
   x = 22,839,899,076.56/117,705
6. Step 6: Final answer
   x = 194,043.58