Finding the Third Proportional to 278,046 and 607,061.25

Step by Step Solution

1. Step 1: Write the proportion equation
   278,046 : 607,061.25 = 607,061.25 : x
2. Step 2: Convert to fraction form
   278,046/607,061.25 = 607,061.25/x
3. Step 3: Cross multiply
   278,046x = 607,061.25 × 607,061.25
4. Step 4: Simplify right side
   278,046x = 368,523,361,251.56
5. Step 5: Solve for x
   x = 368,523,361,251.56/278,046
6. Step 6: Final answer
   x = 1,325,404.29