Finding the Third Proportional to 414,088 and 621,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,088 : 621,570.50 = 621,570.50 : x
2. Step 2: Convert to fraction form
   414,088/621,570.50 = 621,570.50/x
3. Step 3: Cross multiply
   414,088x = 621,570.50 × 621,570.50
4. Step 4: Simplify right side
   414,088x = 386,349,886,470.25
5. Step 5: Solve for x
   x = 386,349,886,470.25/414,088
6. Step 6: Final answer
   x = 933,013.96