Finding the Third Proportional to 1,247,888 and 1,974,269

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,888 : 1,974,269 = 1,974,269 : x
2. Step 2: Convert to fraction form
   1,247,888/1,974,269 = 1,974,269/x
3. Step 3: Cross multiply
   1,247,888x = 1,974,269 × 1,974,269
4. Step 4: Simplify right side
   1,247,888x = 3,897,738,084,361
5. Step 5: Solve for x
   x = 3,897,738,084,361/1,247,888
6. Step 6: Final answer
   x = 3,123,467.88