Finding the Third Proportional to 410,427 and 898,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   410,427 : 898,492.50 = 898,492.50 : x
2. Step 2: Convert to fraction form
   410,427/898,492.50 = 898,492.50/x
3. Step 3: Cross multiply
   410,427x = 898,492.50 × 898,492.50
4. Step 4: Simplify right side
   410,427x = 807,288,772,556.25
5. Step 5: Solve for x
   x = 807,288,772,556.25/410,427
6. Step 6: Final answer
   x = 1,966,948.50