Finding the Third Proportional to 60,277.50 and 91,820.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,277.50 : 91,820.25 = 91,820.25 : x
2. Step 2: Convert to fraction form
   60,277.50/91,820.25 = 91,820.25/x
3. Step 3: Cross multiply
   60,277.50x = 91,820.25 × 91,820.25
4. Step 4: Simplify right side
   60,277.50x = 8,430,958,310.06
5. Step 5: Solve for x
   x = 8,430,958,310.06/60,277.50
6. Step 6: Final answer
   x = 139,869.08