Finding the Third Proportional to 92,207 and 142,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,207 : 142,403.50 = 142,403.50 : x
2. Step 2: Convert to fraction form
   92,207/142,403.50 = 142,403.50/x
3. Step 3: Cross multiply
   92,207x = 142,403.50 × 142,403.50
4. Step 4: Simplify right side
   92,207x = 20,278,756,812.25
5. Step 5: Solve for x
   x = 20,278,756,812.25/92,207
6. Step 6: Final answer
   x = 219,926.44