Finding the Third Proportional to 58,345 and 87,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,345 : 87,499.50 = 87,499.50 : x
2. Step 2: Convert to fraction form
   58,345/87,499.50 = 87,499.50/x
3. Step 3: Cross multiply
   58,345x = 87,499.50 × 87,499.50
4. Step 4: Simplify right side
   58,345x = 7,656,162,500.25
5. Step 5: Solve for x
   x = 7,656,162,500.25/58,345
6. Step 6: Final answer
   x = 131,222.26