Finding the Third Proportional to 418,624.50 and 881,718

Step by Step Solution

1. Step 1: Write the proportion equation
   418,624.50 : 881,718 = 881,718 : x
2. Step 2: Convert to fraction form
   418,624.50/881,718 = 881,718/x
3. Step 3: Cross multiply
   418,624.50x = 881,718 × 881,718
4. Step 4: Simplify right side
   418,624.50x = 777,426,631,524
5. Step 5: Solve for x
   x = 777,426,631,524/418,624.50
6. Step 6: Final answer
   x = 1,857,097.78