Finding the Third Proportional to 1,620,234 and 3,545,460

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,234 : 3,545,460 = 3,545,460 : x
2. Step 2: Convert to fraction form
   1,620,234/3,545,460 = 3,545,460/x
3. Step 3: Cross multiply
   1,620,234x = 3,545,460 × 3,545,460
4. Step 4: Simplify right side
   1,620,234x = 12,570,286,611,600
5. Step 5: Solve for x
   x = 12,570,286,611,600/1,620,234
6. Step 6: Final answer
   x = 7,758,315.53