Finding the Third Proportional to 30,159 and 42,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,159 : 42,412.50 = 42,412.50 : x
2. Step 2: Convert to fraction form
   30,159/42,412.50 = 42,412.50/x
3. Step 3: Cross multiply
   30,159x = 42,412.50 × 42,412.50
4. Step 4: Simplify right side
   30,159x = 1,798,820,156.25
5. Step 5: Solve for x
   x = 1,798,820,156.25/30,159
6. Step 6: Final answer
   x = 59,644.56