Finding the Third Proportional to 468,843 and 726,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   468,843 : 726,430.50 = 726,430.50 : x
2. Step 2: Convert to fraction form
   468,843/726,430.50 = 726,430.50/x
3. Step 3: Cross multiply
   468,843x = 726,430.50 × 726,430.50
4. Step 4: Simplify right side
   468,843x = 527,701,271,330.25
5. Step 5: Solve for x
   x = 527,701,271,330.25/468,843
6. Step 6: Final answer
   x = 1,125,539.41