Finding the Third Proportional to 333,126 and 718,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,126 : 718,726.50 = 718,726.50 : x
2. Step 2: Convert to fraction form
   333,126/718,726.50 = 718,726.50/x
3. Step 3: Cross multiply
   333,126x = 718,726.50 × 718,726.50
4. Step 4: Simplify right side
   333,126x = 516,567,781,802.25
5. Step 5: Solve for x
   x = 516,567,781,802.25/333,126
6. Step 6: Final answer
   x = 1,550,667.86