Finding the Third Proportional to 6,423,406 and 9,457,674

Step by Step Solution

1. Step 1: Write the proportion equation
   6,423,406 : 9,457,674 = 9,457,674 : x
2. Step 2: Convert to fraction form
   6,423,406/9,457,674 = 9,457,674/x
3. Step 3: Cross multiply
   6,423,406x = 9,457,674 × 9,457,674
4. Step 4: Simplify right side
   6,423,406x = 89,447,597,490,276
5. Step 5: Solve for x
   x = 89,447,597,490,276/6,423,406
6. Step 6: Final answer
   x = 13,925,259.82