Finding the Third Proportional to 748,238.50 and 1,636,445

Step by Step Solution

1. Step 1: Write the proportion equation
   748,238.50 : 1,636,445 = 1,636,445 : x
2. Step 2: Convert to fraction form
   748,238.50/1,636,445 = 1,636,445/x
3. Step 3: Cross multiply
   748,238.50x = 1,636,445 × 1,636,445
4. Step 4: Simplify right side
   748,238.50x = 2,677,952,238,025
5. Step 5: Solve for x
   x = 2,677,952,238,025/748,238.50
6. Step 6: Final answer
   x = 3,579,008.88