Finding the Third Proportional to 4,011,570 and 8,465,940

Step by Step Solution

1. Step 1: Write the proportion equation
   4,011,570 : 8,465,940 = 8,465,940 : x
2. Step 2: Convert to fraction form
   4,011,570/8,465,940 = 8,465,940/x
3. Step 3: Cross multiply
   4,011,570x = 8,465,940 × 8,465,940
4. Step 4: Simplify right side
   4,011,570x = 71,672,140,083,600
5. Step 5: Solve for x
   x = 71,672,140,083,600/4,011,570
6. Step 6: Final answer
   x = 17,866,356.58