Finding the Third Proportional to 592,461 and 861,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   592,461 : 861,799.50 = 861,799.50 : x
2. Step 2: Convert to fraction form
   592,461/861,799.50 = 861,799.50/x
3. Step 3: Cross multiply
   592,461x = 861,799.50 × 861,799.50
4. Step 4: Simplify right side
   592,461x = 742,698,378,200.25
5. Step 5: Solve for x
   x = 742,698,378,200.25/592,461
6. Step 6: Final answer
   x = 1,253,581.89