Finding the Third Proportional to 136,528 and 299,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,528 : 299,300.50 = 299,300.50 : x
2. Step 2: Convert to fraction form
   136,528/299,300.50 = 299,300.50/x
3. Step 3: Cross multiply
   136,528x = 299,300.50 × 299,300.50
4. Step 4: Simplify right side
   136,528x = 89,580,789,300.25
5. Step 5: Solve for x
   x = 89,580,789,300.25/136,528
6. Step 6: Final answer
   x = 656,134.93