Finding the Third Proportional to 1,577,300 and 3,420,334

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,300 : 3,420,334 = 3,420,334 : x
2. Step 2: Convert to fraction form
   1,577,300/3,420,334 = 3,420,334/x
3. Step 3: Cross multiply
   1,577,300x = 3,420,334 × 3,420,334
4. Step 4: Simplify right side
   1,577,300x = 11,698,684,671,556
5. Step 5: Solve for x
   x = 11,698,684,671,556/1,577,300
6. Step 6: Final answer
   x = 7,416,905.26