Finding the Third Proportional to 3,549,276 and 7,720,422

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549,276 : 7,720,422 = 7,720,422 : x
2. Step 2: Convert to fraction form
   3,549,276/7,720,422 = 7,720,422/x
3. Step 3: Cross multiply
   3,549,276x = 7,720,422 × 7,720,422
4. Step 4: Simplify right side
   3,549,276x = 59,604,915,858,084
5. Step 5: Solve for x
   x = 59,604,915,858,084/3,549,276
6. Step 6: Final answer
   x = 16,793,542.08