Finding the Third Proportional to 1,637,552 and 3,553,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,552 : 3,553,420 = 3,553,420 : x
2. Step 2: Convert to fraction form
   1,637,552/3,553,420 = 3,553,420/x
3. Step 3: Cross multiply
   1,637,552x = 3,553,420 × 3,553,420
4. Step 4: Simplify right side
   1,637,552x = 12,626,793,696,400
5. Step 5: Solve for x
   x = 12,626,793,696,400/1,637,552
6. Step 6: Final answer
   x = 7,710,774.19