Finding the Third Proportional to 290,946 and 451,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   290,946 : 451,549.50 = 451,549.50 : x
2. Step 2: Convert to fraction form
   290,946/451,549.50 = 451,549.50/x
3. Step 3: Cross multiply
   290,946x = 451,549.50 × 451,549.50
4. Step 4: Simplify right side
   290,946x = 203,896,950,950.25
5. Step 5: Solve for x
   x = 203,896,950,950.25/290,946
6. Step 6: Final answer
   x = 700,806.85