Finding the Third Proportional to 562,217 and 869,598.75

Step by Step Solution

1. Step 1: Write the proportion equation
   562,217 : 869,598.75 = 869,598.75 : x
2. Step 2: Convert to fraction form
   562,217/869,598.75 = 869,598.75/x
3. Step 3: Cross multiply
   562,217x = 869,598.75 × 869,598.75
4. Step 4: Simplify right side
   562,217x = 756,201,986,001.56
5. Step 5: Solve for x
   x = 756,201,986,001.56/562,217
6. Step 6: Final answer
   x = 1,345,035.79