Finding the Third Proportional to 82,312 and 124,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,312 : 124,615.50 = 124,615.50 : x
2. Step 2: Convert to fraction form
   82,312/124,615.50 = 124,615.50/x
3. Step 3: Cross multiply
   82,312x = 124,615.50 × 124,615.50
4. Step 4: Simplify right side
   82,312x = 15,529,022,840.25
5. Step 5: Solve for x
   x = 15,529,022,840.25/82,312
6. Step 6: Final answer
   x = 188,660.50