Finding the Third Proportional to 67,518.63 and 147,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,518.63 : 147,186.50 = 147,186.50 : x
2. Step 2: Convert to fraction form
   67,518.63/147,186.50 = 147,186.50/x
3. Step 3: Cross multiply
   67,518.63x = 147,186.50 × 147,186.50
4. Step 4: Simplify right side
   67,518.63x = 21,663,865,782.25
5. Step 5: Solve for x
   x = 21,663,865,782.25/67,518.63
6. Step 6: Final answer
   x = 320,857.63