Finding the Third Proportional to 462,699 and 699,881.63

Step by Step Solution

1. Step 1: Write the proportion equation
   462,699 : 699,881.63 = 699,881.63 : x
2. Step 2: Convert to fraction form
   462,699/699,881.63 = 699,881.63/x
3. Step 3: Cross multiply
   462,699x = 699,881.63 × 699,881.63
4. Step 4: Simplify right side
   462,699x = 489,834,289,012.64
5. Step 5: Solve for x
   x = 489,834,289,012.64/462,699
6. Step 6: Final answer
   x = 1,058,645.66