Finding the Third Proportional to 132,430 and 170,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,430 : 170,038.50 = 170,038.50 : x
2. Step 2: Convert to fraction form
   132,430/170,038.50 = 170,038.50/x
3. Step 3: Cross multiply
   132,430x = 170,038.50 × 170,038.50
4. Step 4: Simplify right side
   132,430x = 28,913,091,482.25
5. Step 5: Solve for x
   x = 28,913,091,482.25/132,430
6. Step 6: Final answer
   x = 218,327.35