Finding the Third Proportional to 62,818.50 and 136,711

Step by Step Solution

1. Step 1: Write the proportion equation
   62,818.50 : 136,711 = 136,711 : x
2. Step 2: Convert to fraction form
   62,818.50/136,711 = 136,711/x
3. Step 3: Cross multiply
   62,818.50x = 136,711 × 136,711
4. Step 4: Simplify right side
   62,818.50x = 18,689,897,521
5. Step 5: Solve for x
   x = 18,689,897,521/62,818.50
6. Step 6: Final answer
   x = 297,522.19