Finding the Third Proportional to 56,461 and 82,570

Step by Step Solution

1. Step 1: Write the proportion equation
   56,461 : 82,570 = 82,570 : x
2. Step 2: Convert to fraction form
   56,461/82,570 = 82,570/x
3. Step 3: Cross multiply
   56,461x = 82,570 × 82,570
4. Step 4: Simplify right side
   56,461x = 6,817,804,900
5. Step 5: Solve for x
   x = 6,817,804,900/56,461
6. Step 6: Final answer
   x = 120,752.46