Finding the Third Proportional to 718,107 and 1,115,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   718,107 : 1,115,080.50 = 1,115,080.50 : x
2. Step 2: Convert to fraction form
   718,107/1,115,080.50 = 1,115,080.50/x
3. Step 3: Cross multiply
   718,107x = 1,115,080.50 × 1,115,080.50
4. Step 4: Simplify right side
   718,107x = 1,243,404,521,480.25
5. Step 5: Solve for x
   x = 1,243,404,521,480.25/718,107
6. Step 6: Final answer
   x = 1,731,503.13