Finding the Third Proportional to 42,567 and 61,211.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,567 : 61,211.25 = 61,211.25 : x
2. Step 2: Convert to fraction form
   42,567/61,211.25 = 61,211.25/x
3. Step 3: Cross multiply
   42,567x = 61,211.25 × 61,211.25
4. Step 4: Simplify right side
   42,567x = 3,746,817,126.56
5. Step 5: Solve for x
   x = 3,746,817,126.56/42,567
6. Step 6: Final answer
   x = 88,021.64