Finding the Third Proportional to 264,808.50 and 624,606

Step by Step Solution

1. Step 1: Write the proportion equation
   264,808.50 : 624,606 = 624,606 : x
2. Step 2: Convert to fraction form
   264,808.50/624,606 = 624,606/x
3. Step 3: Cross multiply
   264,808.50x = 624,606 × 624,606
4. Step 4: Simplify right side
   264,808.50x = 390,132,655,236
5. Step 5: Solve for x
   x = 390,132,655,236/264,808.50
6. Step 6: Final answer
   x = 1,473,263.34