Finding the Third Proportional to 786,298.50 and 1,202,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   786,298.50 : 1,202,308.50 = 1,202,308.50 : x
2. Step 2: Convert to fraction form
   786,298.50/1,202,308.50 = 1,202,308.50/x
3. Step 3: Cross multiply
   786,298.50x = 1,202,308.50 × 1,202,308.50
4. Step 4: Simplify right side
   786,298.50x = 1,445,545,729,172.25
5. Step 5: Solve for x
   x = 1,445,545,729,172.25/786,298.50
6. Step 6: Final answer
   x = 1,838,418.53