Finding the Third Proportional to 42,318 and 100,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,318 : 100,259.50 = 100,259.50 : x
2. Step 2: Convert to fraction form
   42,318/100,259.50 = 100,259.50/x
3. Step 3: Cross multiply
   42,318x = 100,259.50 × 100,259.50
4. Step 4: Simplify right side
   42,318x = 10,051,967,340.25
5. Step 5: Solve for x
   x = 10,051,967,340.25/42,318
6. Step 6: Final answer
   x = 237,534.08