Finding the Third Proportional to 751,882 and 1,621,124

Step by Step Solution

1. Step 1: Write the proportion equation
   751,882 : 1,621,124 = 1,621,124 : x
2. Step 2: Convert to fraction form
   751,882/1,621,124 = 1,621,124/x
3. Step 3: Cross multiply
   751,882x = 1,621,124 × 1,621,124
4. Step 4: Simplify right side
   751,882x = 2,628,043,023,376
5. Step 5: Solve for x
   x = 2,628,043,023,376/751,882
6. Step 6: Final answer
   x = 3,495,286.53