Finding the Third Proportional to 984,316 and 2,139,380

Step by Step Solution

1. Step 1: Write the proportion equation
   984,316 : 2,139,380 = 2,139,380 : x
2. Step 2: Convert to fraction form
   984,316/2,139,380 = 2,139,380/x
3. Step 3: Cross multiply
   984,316x = 2,139,380 × 2,139,380
4. Step 4: Simplify right side
   984,316x = 4,576,946,784,400
5. Step 5: Solve for x
   x = 4,576,946,784,400/984,316
6. Step 6: Final answer
   x = 4,649,875.43