Finding the Third Proportional to 302,611.50 and 651,906

Step by Step Solution

1. Step 1: Write the proportion equation
   302,611.50 : 651,906 = 651,906 : x
2. Step 2: Convert to fraction form
   302,611.50/651,906 = 651,906/x
3. Step 3: Cross multiply
   302,611.50x = 651,906 × 651,906
4. Step 4: Simplify right side
   302,611.50x = 424,981,432,836
5. Step 5: Solve for x
   x = 424,981,432,836/302,611.50
6. Step 6: Final answer
   x = 1,404,379.65