Finding the Third Proportional to 456,994 and 711,520

Step by Step Solution

1. Step 1: Write the proportion equation
   456,994 : 711,520 = 711,520 : x
2. Step 2: Convert to fraction form
   456,994/711,520 = 711,520/x
3. Step 3: Cross multiply
   456,994x = 711,520 × 711,520
4. Step 4: Simplify right side
   456,994x = 506,260,710,400
5. Step 5: Solve for x
   x = 506,260,710,400/456,994
6. Step 6: Final answer
   x = 1,107,806.03