Finding the Third Proportional to 60,679.63 and 91,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,679.63 : 91,019.50 = 91,019.50 : x
2. Step 2: Convert to fraction form
   60,679.63/91,019.50 = 91,019.50/x
3. Step 3: Cross multiply
   60,679.63x = 91,019.50 × 91,019.50
4. Step 4: Simplify right side
   60,679.63x = 8,284,549,380.25
5. Step 5: Solve for x
   x = 8,284,549,380.25/60,679.63
6. Step 6: Final answer
   x = 136,529.34