Finding the Third Proportional to 721,060.50 and 1,131,090

Step by Step Solution

1. Step 1: Write the proportion equation
   721,060.50 : 1,131,090 = 1,131,090 : x
2. Step 2: Convert to fraction form
   721,060.50/1,131,090 = 1,131,090/x
3. Step 3: Cross multiply
   721,060.50x = 1,131,090 × 1,131,090
4. Step 4: Simplify right side
   721,060.50x = 1,279,364,588,100
5. Step 5: Solve for x
   x = 1,279,364,588,100/721,060.50
6. Step 6: Final answer
   x = 1,774,281.89