Finding the Third Proportional to 100,431 and 151,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,431 : 151,675.50 = 151,675.50 : x
2. Step 2: Convert to fraction form
   100,431/151,675.50 = 151,675.50/x
3. Step 3: Cross multiply
   100,431x = 151,675.50 × 151,675.50
4. Step 4: Simplify right side
   100,431x = 23,005,457,300.25
5. Step 5: Solve for x
   x = 23,005,457,300.25/100,431
6. Step 6: Final answer
   x = 229,067.29