Finding the Third Proportional to 61,242.75 and 91,796.63

Step by Step Solution

1. Step 1: Write the proportion equation
   61,242.75 : 91,796.63 = 91,796.63 : x
2. Step 2: Convert to fraction form
   61,242.75/91,796.63 = 91,796.63/x
3. Step 3: Cross multiply
   61,242.75x = 91,796.63 × 91,796.63
4. Step 4: Simplify right side
   61,242.75x = 8,426,620,361.39
5. Step 5: Solve for x
   x = 8,426,620,361.39/61,242.75
6. Step 6: Final answer
   x = 137,593.76