Finding the Third Proportional to 58,329.56 and 90,072.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,329.56 : 90,072.56 = 90,072.56 : x
2. Step 2: Convert to fraction form
   58,329.56/90,072.56 = 90,072.56/x
3. Step 3: Cross multiply
   58,329.56x = 90,072.56 × 90,072.56
4. Step 4: Simplify right side
   58,329.56x = 8,113,066,515.32
5. Step 5: Solve for x
   x = 8,113,066,515.32/58,329.56
6. Step 6: Final answer
   x = 139,090.13