Finding the Third Proportional to 1,237,490 and 1,969,109

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,490 : 1,969,109 = 1,969,109 : x
2. Step 2: Convert to fraction form
   1,237,490/1,969,109 = 1,969,109/x
3. Step 3: Cross multiply
   1,237,490x = 1,969,109 × 1,969,109
4. Step 4: Simplify right side
   1,237,490x = 3,877,390,253,881
5. Step 5: Solve for x
   x = 3,877,390,253,881/1,237,490
6. Step 6: Final answer
   x = 3,133,269.97