Finding the Third Proportional to 243,865.50 and 375,126

Step by Step Solution

1. Step 1: Write the proportion equation
   243,865.50 : 375,126 = 375,126 : x
2. Step 2: Convert to fraction form
   243,865.50/375,126 = 375,126/x
3. Step 3: Cross multiply
   243,865.50x = 375,126 × 375,126
4. Step 4: Simplify right side
   243,865.50x = 140,719,515,876
5. Step 5: Solve for x
   x = 140,719,515,876/243,865.50
6. Step 6: Final answer
   x = 577,037.41