Finding the Third Proportional to 99,178 and 151,091

Step by Step Solution

1. Step 1: Write the proportion equation
   99,178 : 151,091 = 151,091 : x
2. Step 2: Convert to fraction form
   99,178/151,091 = 151,091/x
3. Step 3: Cross multiply
   99,178x = 151,091 × 151,091
4. Step 4: Simplify right side
   99,178x = 22,828,490,281
5. Step 5: Solve for x
   x = 22,828,490,281/99,178
6. Step 6: Final answer
   x = 230,176.96