Finding the Third Proportional to 43,160 and 58,312

Step by Step Solution

1. Step 1: Write the proportion equation
   43,160 : 58,312 = 58,312 : x
2. Step 2: Convert to fraction form
   43,160/58,312 = 58,312/x
3. Step 3: Cross multiply
   43,160x = 58,312 × 58,312
4. Step 4: Simplify right side
   43,160x = 3,400,289,344
5. Step 5: Solve for x
   x = 3,400,289,344/43,160
6. Step 6: Final answer
   x = 78,783.35