Finding the Third Proportional to 275,031.56 and 437,607

Step by Step Solution

1. Step 1: Write the proportion equation
   275,031.56 : 437,607 = 437,607 : x
2. Step 2: Convert to fraction form
   275,031.56/437,607 = 437,607/x
3. Step 3: Cross multiply
   275,031.56x = 437,607 × 437,607
4. Step 4: Simplify right side
   275,031.56x = 191,499,886,449
5. Step 5: Solve for x
   x = 191,499,886,449/275,031.56
6. Step 6: Final answer
   x = 696,283.31