Finding the Third Proportional to 291,994.88 and 443,475

Step by Step Solution

1. Step 1: Write the proportion equation
   291,994.88 : 443,475 = 443,475 : x
2. Step 2: Convert to fraction form
   291,994.88/443,475 = 443,475/x
3. Step 3: Cross multiply
   291,994.88x = 443,475 × 443,475
4. Step 4: Simplify right side
   291,994.88x = 196,670,075,625
5. Step 5: Solve for x
   x = 196,670,075,625/291,994.88
6. Step 6: Final answer
   x = 673,539.48