Finding the Third Proportional to 815,881.50 and 1,146,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   815,881.50 : 1,146,910.50 = 1,146,910.50 : x
2. Step 2: Convert to fraction form
   815,881.50/1,146,910.50 = 1,146,910.50/x
3. Step 3: Cross multiply
   815,881.50x = 1,146,910.50 × 1,146,910.50
4. Step 4: Simplify right side
   815,881.50x = 1,315,403,695,010.25
5. Step 5: Solve for x
   x = 1,315,403,695,010.25/815,881.50
6. Step 6: Final answer
   x = 1,612,248.46