Finding the Third Proportional to 456,412.50 and 709,494

Step by Step Solution

1. Step 1: Write the proportion equation
   456,412.50 : 709,494 = 709,494 : x
2. Step 2: Convert to fraction form
   456,412.50/709,494 = 709,494/x
3. Step 3: Cross multiply
   456,412.50x = 709,494 × 709,494
4. Step 4: Simplify right side
   456,412.50x = 503,381,736,036
5. Step 5: Solve for x
   x = 503,381,736,036/456,412.50
6. Step 6: Final answer
   x = 1,102,909.62