Finding the Third Proportional to 99,939 and 151,954.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,939 : 151,954.88 = 151,954.88 : x
2. Step 2: Convert to fraction form
   99,939/151,954.88 = 151,954.88/x
3. Step 3: Cross multiply
   99,939x = 151,954.88 × 151,954.88
4. Step 4: Simplify right side
   99,939x = 23,090,284,036.27
5. Step 5: Solve for x
   x = 23,090,284,036.27/99,939
6. Step 6: Final answer
   x = 231,043.78