Finding the Third Proportional to 2,174,139 and 4,611,366

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,139 : 4,611,366 = 4,611,366 : x
2. Step 2: Convert to fraction form
   2,174,139/4,611,366 = 4,611,366/x
3. Step 3: Cross multiply
   2,174,139x = 4,611,366 × 4,611,366
4. Step 4: Simplify right side
   2,174,139x = 21,264,696,385,956
5. Step 5: Solve for x
   x = 21,264,696,385,956/2,174,139
6. Step 6: Final answer
   x = 9,780,743.73