Finding the Third Proportional to 157,753.50 and 342,126

Step by Step Solution

1. Step 1: Write the proportion equation
   157,753.50 : 342,126 = 342,126 : x
2. Step 2: Convert to fraction form
   157,753.50/342,126 = 342,126/x
3. Step 3: Cross multiply
   157,753.50x = 342,126 × 342,126
4. Step 4: Simplify right side
   157,753.50x = 117,050,199,876
5. Step 5: Solve for x
   x = 117,050,199,876/157,753.50
6. Step 6: Final answer
   x = 741,981.64