Finding the Third Proportional to 415,042.50 and 906,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   415,042.50 : 906,970.50 = 906,970.50 : x
2. Step 2: Convert to fraction form
   415,042.50/906,970.50 = 906,970.50/x
3. Step 3: Cross multiply
   415,042.50x = 906,970.50 × 906,970.50
4. Step 4: Simplify right side
   415,042.50x = 822,595,487,870.25
5. Step 5: Solve for x
   x = 822,595,487,870.25/415,042.50
6. Step 6: Final answer
   x = 1,981,954.83