Finding the Third Proportional to 415,263.75 and 888,111

Step by Step Solution

1. Step 1: Write the proportion equation
   415,263.75 : 888,111 = 888,111 : x
2. Step 2: Convert to fraction form
   415,263.75/888,111 = 888,111/x
3. Step 3: Cross multiply
   415,263.75x = 888,111 × 888,111
4. Step 4: Simplify right side
   415,263.75x = 788,741,148,321
5. Step 5: Solve for x
   x = 788,741,148,321/415,263.75
6. Step 6: Final answer
   x = 1,899,373.95