Finding the Third Proportional to 611,077.50 and 897,887

Step by Step Solution

1. Step 1: Write the proportion equation
   611,077.50 : 897,887 = 897,887 : x
2. Step 2: Convert to fraction form
   611,077.50/897,887 = 897,887/x
3. Step 3: Cross multiply
   611,077.50x = 897,887 × 897,887
4. Step 4: Simplify right side
   611,077.50x = 806,201,064,769
5. Step 5: Solve for x
   x = 806,201,064,769/611,077.50
6. Step 6: Final answer
   x = 1,319,310.67