Finding the Third Proportional to 445,581 and 731,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   445,581 : 731,470.50 = 731,470.50 : x
2. Step 2: Convert to fraction form
   445,581/731,470.50 = 731,470.50/x
3. Step 3: Cross multiply
   445,581x = 731,470.50 × 731,470.50
4. Step 4: Simplify right side
   445,581x = 535,049,092,370.25
5. Step 5: Solve for x
   x = 535,049,092,370.25/445,581
6. Step 6: Final answer
   x = 1,200,789.74