Finding the Third Proportional to 899,895.50 and 1,265,642

Step by Step Solution

1. Step 1: Write the proportion equation
   899,895.50 : 1,265,642 = 1,265,642 : x
2. Step 2: Convert to fraction form
   899,895.50/1,265,642 = 1,265,642/x
3. Step 3: Cross multiply
   899,895.50x = 1,265,642 × 1,265,642
4. Step 4: Simplify right side
   899,895.50x = 1,601,849,672,164
5. Step 5: Solve for x
   x = 1,601,849,672,164/899,895.50
6. Step 6: Final answer
   x = 1,780,039.65