Finding the Third Proportional to 676,876.50 and 898,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   676,876.50 : 898,492.50 = 898,492.50 : x
2. Step 2: Convert to fraction form
   676,876.50/898,492.50 = 898,492.50/x
3. Step 3: Cross multiply
   676,876.50x = 898,492.50 × 898,492.50
4. Step 4: Simplify right side
   676,876.50x = 807,288,772,556.25
5. Step 5: Solve for x
   x = 807,288,772,556.25/676,876.50
6. Step 6: Final answer
   x = 1,192,667.75