Finding the Third Proportional to 466,542 and 720,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   466,542 : 720,427.50 = 720,427.50 : x
2. Step 2: Convert to fraction form
   466,542/720,427.50 = 720,427.50/x
3. Step 3: Cross multiply
   466,542x = 720,427.50 × 720,427.50
4. Step 4: Simplify right side
   466,542x = 519,015,782,756.25
5. Step 5: Solve for x
   x = 519,015,782,756.25/466,542
6. Step 6: Final answer
   x = 1,112,473.87