Finding the Third Proportional to 600,780.25 and 901,290

Step by Step Solution

1. Step 1: Write the proportion equation
   600,780.25 : 901,290 = 901,290 : x
2. Step 2: Convert to fraction form
   600,780.25/901,290 = 901,290/x
3. Step 3: Cross multiply
   600,780.25x = 901,290 × 901,290
4. Step 4: Simplify right side
   600,780.25x = 812,323,664,100
5. Step 5: Solve for x
   x = 812,323,664,100/600,780.25
6. Step 6: Final answer
   x = 1,352,114.46