Finding the Third Proportional to 467,972 and 684,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   467,972 : 684,407.50 = 684,407.50 : x
2. Step 2: Convert to fraction form
   467,972/684,407.50 = 684,407.50/x
3. Step 3: Cross multiply
   467,972x = 684,407.50 × 684,407.50
4. Step 4: Simplify right side
   467,972x = 468,413,626,056.25
5. Step 5: Solve for x
   x = 468,413,626,056.25/467,972
6. Step 6: Final answer
   x = 1,000,943.70