Finding the Third Proportional to 3,565,437 and 7,685,280

Step by Step Solution

1. Step 1: Write the proportion equation
   3,565,437 : 7,685,280 = 7,685,280 : x
2. Step 2: Convert to fraction form
   3,565,437/7,685,280 = 7,685,280/x
3. Step 3: Cross multiply
   3,565,437x = 7,685,280 × 7,685,280
4. Step 4: Simplify right side
   3,565,437x = 59,063,528,678,400
5. Step 5: Solve for x
   x = 59,063,528,678,400/3,565,437
6. Step 6: Final answer
   x = 16,565,579.11