Finding the Third Proportional to 56,510 and 82,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,510 : 82,736.50 = 82,736.50 : x
2. Step 2: Convert to fraction form
   56,510/82,736.50 = 82,736.50/x
3. Step 3: Cross multiply
   56,510x = 82,736.50 × 82,736.50
4. Step 4: Simplify right side
   56,510x = 6,845,328,432.25
5. Step 5: Solve for x
   x = 6,845,328,432.25/56,510
6. Step 6: Final answer
   x = 121,134.82