Finding the Third Proportional to 721,053 and 1,131,066

Step by Step Solution

1. Step 1: Write the proportion equation
   721,053 : 1,131,066 = 1,131,066 : x
2. Step 2: Convert to fraction form
   721,053/1,131,066 = 1,131,066/x
3. Step 3: Cross multiply
   721,053x = 1,131,066 × 1,131,066
4. Step 4: Simplify right side
   721,053x = 1,279,310,296,356
5. Step 5: Solve for x
   x = 1,279,310,296,356/721,053
6. Step 6: Final answer
   x = 1,774,225.05