Finding the Third Proportional to 748,498.50 and 1,636,965

Step by Step Solution

1. Step 1: Write the proportion equation
   748,498.50 : 1,636,965 = 1,636,965 : x
2. Step 2: Convert to fraction form
   748,498.50/1,636,965 = 1,636,965/x
3. Step 3: Cross multiply
   748,498.50x = 1,636,965 × 1,636,965
4. Step 4: Simplify right side
   748,498.50x = 2,679,654,411,225
5. Step 5: Solve for x
   x = 2,679,654,411,225/748,498.50
6. Step 6: Final answer
   x = 3,580,039.79