Finding the Third Proportional to 814,542 and 1,071,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   814,542 : 1,071,127.50 = 1,071,127.50 : x
2. Step 2: Convert to fraction form
   814,542/1,071,127.50 = 1,071,127.50/x
3. Step 3: Cross multiply
   814,542x = 1,071,127.50 × 1,071,127.50
4. Step 4: Simplify right side
   814,542x = 1,147,314,121,256.25
5. Step 5: Solve for x
   x = 1,147,314,121,256.25/814,542
6. Step 6: Final answer
   x = 1,408,538.94