Finding the Third Proportional to 56,624 and 89,956

Step by Step Solution

1. Step 1: Write the proportion equation
   56,624 : 89,956 = 89,956 : x
2. Step 2: Convert to fraction form
   56,624/89,956 = 89,956/x
3. Step 3: Cross multiply
   56,624x = 89,956 × 89,956
4. Step 4: Simplify right side
   56,624x = 8,092,081,936
5. Step 5: Solve for x
   x = 8,092,081,936/56,624
6. Step 6: Final answer
   x = 142,909.05