Finding the Third Proportional to 61,075.50 and 130,215

Step by Step Solution

1. Step 1: Write the proportion equation
   61,075.50 : 130,215 = 130,215 : x
2. Step 2: Convert to fraction form
   61,075.50/130,215 = 130,215/x
3. Step 3: Cross multiply
   61,075.50x = 130,215 × 130,215
4. Step 4: Simplify right side
   61,075.50x = 16,955,946,225
5. Step 5: Solve for x
   x = 16,955,946,225/61,075.50
6. Step 6: Final answer
   x = 277,622.72