Finding the Third Proportional to 3,660,192 and 5,280,312

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,192 : 5,280,312 = 5,280,312 : x
2. Step 2: Convert to fraction form
   3,660,192/5,280,312 = 5,280,312/x
3. Step 3: Cross multiply
   3,660,192x = 5,280,312 × 5,280,312
4. Step 4: Simplify right side
   3,660,192x = 27,881,694,817,344
5. Step 5: Solve for x
   x = 27,881,694,817,344/3,660,192
6. Step 6: Final answer
   x = 7,617,549.79