Finding the Third Proportional to 136,402.50 and 299,877

Step by Step Solution

1. Step 1: Write the proportion equation
   136,402.50 : 299,877 = 299,877 : x
2. Step 2: Convert to fraction form
   136,402.50/299,877 = 299,877/x
3. Step 3: Cross multiply
   136,402.50x = 299,877 × 299,877
4. Step 4: Simplify right side
   136,402.50x = 89,926,215,129
5. Step 5: Solve for x
   x = 89,926,215,129/136,402.50
6. Step 6: Final answer
   x = 659,271.02