Finding the Third Proportional to 56,343.38 and 87,744.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,343.38 : 87,744.94 = 87,744.94 : x
2. Step 2: Convert to fraction form
   56,343.38/87,744.94 = 87,744.94/x
3. Step 3: Cross multiply
   56,343.38x = 87,744.94 × 87,744.94
4. Step 4: Simplify right side
   56,343.38x = 7,699,174,056.88
5. Step 5: Solve for x
   x = 7,699,174,056.88/56,343.38
6. Step 6: Final answer
   x = 136,647.37