Finding the Third Proportional to 589,899 and 902,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   589,899 : 902,038.50 = 902,038.50 : x
2. Step 2: Convert to fraction form
   589,899/902,038.50 = 902,038.50/x
3. Step 3: Cross multiply
   589,899x = 902,038.50 × 902,038.50
4. Step 4: Simplify right side
   589,899x = 813,673,455,482.25
5. Step 5: Solve for x
   x = 813,673,455,482.25/589,899
6. Step 6: Final answer
   x = 1,379,343.68