Finding the Third Proportional to 3,417,390 and 7,516,854

Step by Step Solution

1. Step 1: Write the proportion equation
   3,417,390 : 7,516,854 = 7,516,854 : x
2. Step 2: Convert to fraction form
   3,417,390/7,516,854 = 7,516,854/x
3. Step 3: Cross multiply
   3,417,390x = 7,516,854 × 7,516,854
4. Step 4: Simplify right side
   3,417,390x = 56,503,094,057,316
5. Step 5: Solve for x
   x = 56,503,094,057,316/3,417,390
6. Step 6: Final answer
   x = 16,533,990.58