Finding the Third Proportional to 637,510 and 1,387,174

Step by Step Solution

1. Step 1: Write the proportion equation
   637,510 : 1,387,174 = 1,387,174 : x
2. Step 2: Convert to fraction form
   637,510/1,387,174 = 1,387,174/x
3. Step 3: Cross multiply
   637,510x = 1,387,174 × 1,387,174
4. Step 4: Simplify right side
   637,510x = 1,924,251,706,276
5. Step 5: Solve for x
   x = 1,924,251,706,276/637,510
6. Step 6: Final answer
   x = 3,018,386.70