Finding the Third Proportional to 56,612 and 72,606

Step by Step Solution

1. Step 1: Write the proportion equation
   56,612 : 72,606 = 72,606 : x
2. Step 2: Convert to fraction form
   56,612/72,606 = 72,606/x
3. Step 3: Cross multiply
   56,612x = 72,606 × 72,606
4. Step 4: Simplify right side
   56,612x = 5,271,631,236
5. Step 5: Solve for x
   x = 5,271,631,236/56,612
6. Step 6: Final answer
   x = 93,118.62