Finding the Third Proportional to 432,436.50 and 659,316

Step by Step Solution

1. Step 1: Write the proportion equation
   432,436.50 : 659,316 = 659,316 : x
2. Step 2: Convert to fraction form
   432,436.50/659,316 = 659,316/x
3. Step 3: Cross multiply
   432,436.50x = 659,316 × 659,316
4. Step 4: Simplify right side
   432,436.50x = 434,697,587,856
5. Step 5: Solve for x
   x = 434,697,587,856/432,436.50
6. Step 6: Final answer
   x = 1,005,228.72