Finding the Third Proportional to 751,158 and 1,620,342

Step by Step Solution

1. Step 1: Write the proportion equation
   751,158 : 1,620,342 = 1,620,342 : x
2. Step 2: Convert to fraction form
   751,158/1,620,342 = 1,620,342/x
3. Step 3: Cross multiply
   751,158x = 1,620,342 × 1,620,342
4. Step 4: Simplify right side
   751,158x = 2,625,508,196,964
5. Step 5: Solve for x
   x = 2,625,508,196,964/751,158
6. Step 6: Final answer
   x = 3,495,280.88