Finding the Third Proportional to 756,875 and 1,138,492

Step by Step Solution

1. Step 1: Write the proportion equation
   756,875 : 1,138,492 = 1,138,492 : x
2. Step 2: Convert to fraction form
   756,875/1,138,492 = 1,138,492/x
3. Step 3: Cross multiply
   756,875x = 1,138,492 × 1,138,492
4. Step 4: Simplify right side
   756,875x = 1,296,164,034,064
5. Step 5: Solve for x
   x = 1,296,164,034,064/756,875
6. Step 6: Final answer
   x = 1,712,520.61