Finding the Third Proportional to 292,191 and 443,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   292,191 : 443,713.50 = 443,713.50 : x
2. Step 2: Convert to fraction form
   292,191/443,713.50 = 443,713.50/x
3. Step 3: Cross multiply
   292,191x = 443,713.50 × 443,713.50
4. Step 4: Simplify right side
   292,191x = 196,881,670,082.25
5. Step 5: Solve for x
   x = 196,881,670,082.25/292,191
6. Step 6: Final answer
   x = 673,811.55