Finding the Third Proportional to 1,131,912 and 1,712,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,912 : 1,712,448 = 1,712,448 : x
2. Step 2: Convert to fraction form
   1,131,912/1,712,448 = 1,712,448/x
3. Step 3: Cross multiply
   1,131,912x = 1,712,448 × 1,712,448
4. Step 4: Simplify right side
   1,131,912x = 2,932,478,152,704
5. Step 5: Solve for x
   x = 2,932,478,152,704/1,131,912
6. Step 6: Final answer
   x = 2,590,729.80