Finding the Third Proportional to 915,272 and 1,906,296.50

Step by Step Solution

1. Step 1: Write the proportion equation
   915,272 : 1,906,296.50 = 1,906,296.50 : x
2. Step 2: Convert to fraction form
   915,272/1,906,296.50 = 1,906,296.50/x
3. Step 3: Cross multiply
   915,272x = 1,906,296.50 × 1,906,296.50
4. Step 4: Simplify right side
   915,272x = 3,633,966,345,912.25
5. Step 5: Solve for x
   x = 3,633,966,345,912.25/915,272
6. Step 6: Final answer
   x = 3,970,367.66