Finding the Third Proportional to 5,426,088 and 8,397,973

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426,088 : 8,397,973 = 8,397,973 : x
2. Step 2: Convert to fraction form
   5,426,088/8,397,973 = 8,397,973/x
3. Step 3: Cross multiply
   5,426,088x = 8,397,973 × 8,397,973
4. Step 4: Simplify right side
   5,426,088x = 70,525,950,508,729
5. Step 5: Solve for x
   x = 70,525,950,508,729/5,426,088
6. Step 6: Final answer
   x = 12,997,568.51