Finding the Third Proportional to 468,984 and 726,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   468,984 : 726,643.50 = 726,643.50 : x
2. Step 2: Convert to fraction form
   468,984/726,643.50 = 726,643.50/x
3. Step 3: Cross multiply
   468,984x = 726,643.50 × 726,643.50
4. Step 4: Simplify right side
   468,984x = 528,010,776,092.25
5. Step 5: Solve for x
   x = 528,010,776,092.25/468,984
6. Step 6: Final answer
   x = 1,125,860.96