Finding the Third Proportional to 1,615,140 and 3,548,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,140 : 3,548,688 = 3,548,688 : x
2. Step 2: Convert to fraction form
   1,615,140/3,548,688 = 3,548,688/x
3. Step 3: Cross multiply
   1,615,140x = 3,548,688 × 3,548,688
4. Step 4: Simplify right side
   1,615,140x = 12,593,186,521,344
5. Step 5: Solve for x
   x = 12,593,186,521,344/1,615,140
6. Step 6: Final answer
   x = 7,796,962.82