Finding the Third Proportional to 607,081.50 and 890,939.25

Step by Step Solution

1. Step 1: Write the proportion equation
   607,081.50 : 890,939.25 = 890,939.25 : x
2. Step 2: Convert to fraction form
   607,081.50/890,939.25 = 890,939.25/x
3. Step 3: Cross multiply
   607,081.50x = 890,939.25 × 890,939.25
4. Step 4: Simplify right side
   607,081.50x = 793,772,747,190.56
5. Step 5: Solve for x
   x = 793,772,747,190.56/607,081.50
6. Step 6: Final answer
   x = 1,307,522.54