Finding the Third Proportional to 61,923 and 89,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,923 : 89,860.50 = 89,860.50 : x
2. Step 2: Convert to fraction form
   61,923/89,860.50 = 89,860.50/x
3. Step 3: Cross multiply
   61,923x = 89,860.50 × 89,860.50
4. Step 4: Simplify right side
   61,923x = 8,074,909,460.25
5. Step 5: Solve for x
   x = 8,074,909,460.25/61,923
6. Step 6: Final answer
   x = 130,402.43