Finding the Third Proportional to 814,113 and 1,245,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   814,113 : 1,245,345.50 = 1,245,345.50 : x
2. Step 2: Convert to fraction form
   814,113/1,245,345.50 = 1,245,345.50/x
3. Step 3: Cross multiply
   814,113x = 1,245,345.50 × 1,245,345.50
4. Step 4: Simplify right side
   814,113x = 1,550,885,414,370.25
5. Step 5: Solve for x
   x = 1,550,885,414,370.25/814,113
6. Step 6: Final answer
   x = 1,905,000.18