Finding the Third Proportional to 807,631.50 and 1,267,113

Step by Step Solution

1. Step 1: Write the proportion equation
   807,631.50 : 1,267,113 = 1,267,113 : x
2. Step 2: Convert to fraction form
   807,631.50/1,267,113 = 1,267,113/x
3. Step 3: Cross multiply
   807,631.50x = 1,267,113 × 1,267,113
4. Step 4: Simplify right side
   807,631.50x = 1,605,575,354,769
5. Step 5: Solve for x
   x = 1,605,575,354,769/807,631.50
6. Step 6: Final answer
   x = 1,988,004.87