Finding the Third Proportional to 1,572,903 and 3,440,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,903 : 3,440,178 = 3,440,178 : x
2. Step 2: Convert to fraction form
   1,572,903/3,440,178 = 3,440,178/x
3. Step 3: Cross multiply
   1,572,903x = 3,440,178 × 3,440,178
4. Step 4: Simplify right side
   1,572,903x = 11,834,824,671,684
5. Step 5: Solve for x
   x = 11,834,824,671,684/1,572,903
6. Step 6: Final answer
   x = 7,524,192.32