Finding the Third Proportional to 607,280 and 908,112

Step by Step Solution

1. Step 1: Write the proportion equation
   607,280 : 908,112 = 908,112 : x
2. Step 2: Convert to fraction form
   607,280/908,112 = 908,112/x
3. Step 3: Cross multiply
   607,280x = 908,112 × 908,112
4. Step 4: Simplify right side
   607,280x = 824,667,404,544
5. Step 5: Solve for x
   x = 824,667,404,544/607,280
6. Step 6: Final answer
   x = 1,357,968.98