Finding the Third Proportional to 1,972,784 and 4,240,354

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,784 : 4,240,354 = 4,240,354 : x
2. Step 2: Convert to fraction form
   1,972,784/4,240,354 = 4,240,354/x
3. Step 3: Cross multiply
   1,972,784x = 4,240,354 × 4,240,354
4. Step 4: Simplify right side
   1,972,784x = 17,980,602,045,316
5. Step 5: Solve for x
   x = 17,980,602,045,316/1,972,784
6. Step 6: Final answer
   x = 9,114,328.81