Finding the Third Proportional to 3,239,280 and 7,499,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,239,280 : 7,499,124 = 7,499,124 : x
2. Step 2: Convert to fraction form
   3,239,280/7,499,124 = 7,499,124/x
3. Step 3: Cross multiply
   3,239,280x = 7,499,124 × 7,499,124
4. Step 4: Simplify right side
   3,239,280x = 56,236,860,767,376
5. Step 5: Solve for x
   x = 56,236,860,767,376/3,239,280
6. Step 6: Final answer
   x = 17,360,913.77