Finding the Third Proportional to 97,158 and 142,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   97,158 : 142,958.50 = 142,958.50 : x
2. Step 2: Convert to fraction form
   97,158/142,958.50 = 142,958.50/x
3. Step 3: Cross multiply
   97,158x = 142,958.50 × 142,958.50
4. Step 4: Simplify right side
   97,158x = 20,437,132,722.25
5. Step 5: Solve for x
   x = 20,437,132,722.25/97,158
6. Step 6: Final answer
   x = 210,349.46