Finding the Third Proportional to 56,370 and 86,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,370 : 86,674.50 = 86,674.50 : x
2. Step 2: Convert to fraction form
   56,370/86,674.50 = 86,674.50/x
3. Step 3: Cross multiply
   56,370x = 86,674.50 × 86,674.50
4. Step 4: Simplify right side
   56,370x = 7,512,468,950.25
5. Step 5: Solve for x
   x = 7,512,468,950.25/56,370
6. Step 6: Final answer
   x = 133,270.69