Finding the Third Proportional to 5,426,465 and 8,637,848

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426,465 : 8,637,848 = 8,637,848 : x
2. Step 2: Convert to fraction form
   5,426,465/8,637,848 = 8,637,848/x
3. Step 3: Cross multiply
   5,426,465x = 8,637,848 × 8,637,848
4. Step 4: Simplify right side
   5,426,465x = 74,612,418,071,104
5. Step 5: Solve for x
   x = 74,612,418,071,104/5,426,465
6. Step 6: Final answer
   x = 13,749,728.06