Finding the Third Proportional to 303,654 and 651,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,654 : 651,493.50 = 651,493.50 : x
2. Step 2: Convert to fraction form
   303,654/651,493.50 = 651,493.50/x
3. Step 3: Cross multiply
   303,654x = 651,493.50 × 651,493.50
4. Step 4: Simplify right side
   303,654x = 424,443,780,542.25
5. Step 5: Solve for x
   x = 424,443,780,542.25/303,654
6. Step 6: Final answer
   x = 1,397,787.55