Finding the Third Proportional to 747,964 and 1,645,460

Step by Step Solution

1. Step 1: Write the proportion equation
   747,964 : 1,645,460 = 1,645,460 : x
2. Step 2: Convert to fraction form
   747,964/1,645,460 = 1,645,460/x
3. Step 3: Cross multiply
   747,964x = 1,645,460 × 1,645,460
4. Step 4: Simplify right side
   747,964x = 2,707,538,611,600
5. Step 5: Solve for x
   x = 2,707,538,611,600/747,964
6. Step 6: Final answer
   x = 3,619,878.24