Finding the Third Proportional to 718,279.50 and 1,112,160

Step by Step Solution

1. Step 1: Write the proportion equation
   718,279.50 : 1,112,160 = 1,112,160 : x
2. Step 2: Convert to fraction form
   718,279.50/1,112,160 = 1,112,160/x
3. Step 3: Cross multiply
   718,279.50x = 1,112,160 × 1,112,160
4. Step 4: Simplify right side
   718,279.50x = 1,236,899,865,600
5. Step 5: Solve for x
   x = 1,236,899,865,600/718,279.50
6. Step 6: Final answer
   x = 1,722,031.42