Finding the Third Proportional to 480,789 and 747,429.75

Step by Step Solution

1. Step 1: Write the proportion equation
   480,789 : 747,429.75 = 747,429.75 : x
2. Step 2: Convert to fraction form
   480,789/747,429.75 = 747,429.75/x
3. Step 3: Cross multiply
   480,789x = 747,429.75 × 747,429.75
4. Step 4: Simplify right side
   480,789x = 558,651,231,185.06
5. Step 5: Solve for x
   x = 558,651,231,185.06/480,789
6. Step 6: Final answer
   x = 1,161,946.78