Finding the Third Proportional to 619,099.50 and 925,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,099.50 : 925,801.50 = 925,801.50 : x
2. Step 2: Convert to fraction form
   619,099.50/925,801.50 = 925,801.50/x
3. Step 3: Cross multiply
   619,099.50x = 925,801.50 × 925,801.50
4. Step 4: Simplify right side
   619,099.50x = 857,108,417,402.25
5. Step 5: Solve for x
   x = 857,108,417,402.25/619,099.50
6. Step 6: Final answer
   x = 1,384,443.72