Finding the Third Proportional to 328,429.50 and 710,835

Step by Step Solution

1. Step 1: Write the proportion equation
   328,429.50 : 710,835 = 710,835 : x
2. Step 2: Convert to fraction form
   328,429.50/710,835 = 710,835/x
3. Step 3: Cross multiply
   328,429.50x = 710,835 × 710,835
4. Step 4: Simplify right side
   328,429.50x = 505,286,397,225
5. Step 5: Solve for x
   x = 505,286,397,225/328,429.50
6. Step 6: Final answer
   x = 1,538,492.73