Finding the Third Proportional to 3,473,972 and 7,654,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,473,972 : 7,654,720 = 7,654,720 : x
2. Step 2: Convert to fraction form
   3,473,972/7,654,720 = 7,654,720/x
3. Step 3: Cross multiply
   3,473,972x = 7,654,720 × 7,654,720
4. Step 4: Simplify right side
   3,473,972x = 58,594,738,278,400
5. Step 5: Solve for x
   x = 58,594,738,278,400/3,473,972
6. Step 6: Final answer
   x = 16,866,784.84