Finding the Third Proportional to 401,510.25 and 891,594

Step by Step Solution

1. Step 1: Write the proportion equation
   401,510.25 : 891,594 = 891,594 : x
2. Step 2: Convert to fraction form
   401,510.25/891,594 = 891,594/x
3. Step 3: Cross multiply
   401,510.25x = 891,594 × 891,594
4. Step 4: Simplify right side
   401,510.25x = 794,939,860,836
5. Step 5: Solve for x
   x = 794,939,860,836/401,510.25
6. Step 6: Final answer
   x = 1,979,874.39