Finding the Third Proportional to 148,797 and 321,116.06

Step by Step Solution

1. Step 1: Write the proportion equation
   148,797 : 321,116.06 = 321,116.06 : x
2. Step 2: Convert to fraction form
   148,797/321,116.06 = 321,116.06/x
3. Step 3: Cross multiply
   148,797x = 321,116.06 × 321,116.06
4. Step 4: Simplify right side
   148,797x = 103,115,525,595.50
5. Step 5: Solve for x
   x = 103,115,525,595.50/148,797
6. Step 6: Final answer
   x = 692,994.65