Finding the Third Proportional to 585,099 and 873,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   585,099 : 873,787.50 = 873,787.50 : x
2. Step 2: Convert to fraction form
   585,099/873,787.50 = 873,787.50/x
3. Step 3: Cross multiply
   585,099x = 873,787.50 × 873,787.50
4. Step 4: Simplify right side
   585,099x = 763,504,595,156.25
5. Step 5: Solve for x
   x = 763,504,595,156.25/585,099
6. Step 6: Final answer
   x = 1,304,915.23