Finding the Third Proportional to 55,461 and 90,111

Step by Step Solution

1. Step 1: Write the proportion equation
   55,461 : 90,111 = 90,111 : x
2. Step 2: Convert to fraction form
   55,461/90,111 = 90,111/x
3. Step 3: Cross multiply
   55,461x = 90,111 × 90,111
4. Step 4: Simplify right side
   55,461x = 8,119,992,321
5. Step 5: Solve for x
   x = 8,119,992,321/55,461
6. Step 6: Final answer
   x = 146,409.05