Finding the Third Proportional to 6,423,378 and 9,457,632

Step by Step Solution

1. Step 1: Write the proportion equation
   6,423,378 : 9,457,632 = 9,457,632 : x
2. Step 2: Convert to fraction form
   6,423,378/9,457,632 = 9,457,632/x
3. Step 3: Cross multiply
   6,423,378x = 9,457,632 × 9,457,632
4. Step 4: Simplify right side
   6,423,378x = 89,446,803,047,424
5. Step 5: Solve for x
   x = 89,446,803,047,424/6,423,378
6. Step 6: Final answer
   x = 13,925,196.84