Finding the Third Proportional to 2,102,188 and 4,611,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,188 : 4,611,320 = 4,611,320 : x
2. Step 2: Convert to fraction form
   2,102,188/4,611,320 = 4,611,320/x
3. Step 3: Cross multiply
   2,102,188x = 4,611,320 × 4,611,320
4. Step 4: Simplify right side
   2,102,188x = 21,264,272,142,400
5. Step 5: Solve for x
   x = 21,264,272,142,400/2,102,188
6. Step 6: Final answer
   x = 10,115,304.69