Finding the Third Proportional to 55,501 and 90,613

Step by Step Solution

1. Step 1: Write the proportion equation
   55,501 : 90,613 = 90,613 : x
2. Step 2: Convert to fraction form
   55,501/90,613 = 90,613/x
3. Step 3: Cross multiply
   55,501x = 90,613 × 90,613
4. Step 4: Simplify right side
   55,501x = 8,210,715,769
5. Step 5: Solve for x
   x = 8,210,715,769/55,501
6. Step 6: Final answer
   x = 147,938.16