Finding the Third Proportional to 433,107 and 629,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   433,107 : 629,977.50 = 629,977.50 : x
2. Step 2: Convert to fraction form
   433,107/629,977.50 = 629,977.50/x
3. Step 3: Cross multiply
   433,107x = 629,977.50 × 629,977.50
4. Step 4: Simplify right side
   433,107x = 396,871,650,506.25
5. Step 5: Solve for x
   x = 396,871,650,506.25/433,107
6. Step 6: Final answer
   x = 916,336.26