Finding the Third Proportional to 136,651.50 and 299,628

Step by Step Solution

1. Step 1: Write the proportion equation
   136,651.50 : 299,628 = 299,628 : x
2. Step 2: Convert to fraction form
   136,651.50/299,628 = 299,628/x
3. Step 3: Cross multiply
   136,651.50x = 299,628 × 299,628
4. Step 4: Simplify right side
   136,651.50x = 89,776,938,384
5. Step 5: Solve for x
   x = 89,776,938,384/136,651.50
6. Step 6: Final answer
   x = 656,977.34