Finding the Third Proportional to 480,784.50 and 747,423

Step by Step Solution

1. Step 1: Write the proportion equation
   480,784.50 : 747,423 = 747,423 : x
2. Step 2: Convert to fraction form
   480,784.50/747,423 = 747,423/x
3. Step 3: Cross multiply
   480,784.50x = 747,423 × 747,423
4. Step 4: Simplify right side
   480,784.50x = 558,641,140,929
5. Step 5: Solve for x
   x = 558,641,140,929/480,784.50
6. Step 6: Final answer
   x = 1,161,936.67