Finding the Third Proportional to 55,362 and 87,011

Step by Step Solution

1. Step 1: Write the proportion equation
   55,362 : 87,011 = 87,011 : x
2. Step 2: Convert to fraction form
   55,362/87,011 = 87,011/x
3. Step 3: Cross multiply
   55,362x = 87,011 × 87,011
4. Step 4: Simplify right side
   55,362x = 7,570,914,121
5. Step 5: Solve for x
   x = 7,570,914,121/55,362
6. Step 6: Final answer
   x = 136,752.90