Finding the Third Proportional to 61,024.50 and 91,212.75

Step by Step Solution

1. Step 1: Write the proportion equation
   61,024.50 : 91,212.75 = 91,212.75 : x
2. Step 2: Convert to fraction form
   61,024.50/91,212.75 = 91,212.75/x
3. Step 3: Cross multiply
   61,024.50x = 91,212.75 × 91,212.75
4. Step 4: Simplify right side
   61,024.50x = 8,319,765,762.56
5. Step 5: Solve for x
   x = 8,319,765,762.56/61,024.50
6. Step 6: Final answer
   x = 136,334.85