Finding the Third Proportional to 711,724 and 1,554,776

Step by Step Solution

1. Step 1: Write the proportion equation
   711,724 : 1,554,776 = 1,554,776 : x
2. Step 2: Convert to fraction form
   711,724/1,554,776 = 1,554,776/x
3. Step 3: Cross multiply
   711,724x = 1,554,776 × 1,554,776
4. Step 4: Simplify right side
   711,724x = 2,417,328,410,176
5. Step 5: Solve for x
   x = 2,417,328,410,176/711,724
6. Step 6: Final answer
   x = 3,396,440.77