Finding the Third Proportional to 49,390 and 70,576

Step by Step Solution

1. Step 1: Write the proportion equation
   49,390 : 70,576 = 70,576 : x
2. Step 2: Convert to fraction form
   49,390/70,576 = 70,576/x
3. Step 3: Cross multiply
   49,390x = 70,576 × 70,576
4. Step 4: Simplify right side
   49,390x = 4,980,971,776
5. Step 5: Solve for x
   x = 4,980,971,776/49,390
6. Step 6: Final answer
   x = 100,849.80