Finding the Third Proportional to 717,611.50 and 1,111,146

Step by Step Solution

1. Step 1: Write the proportion equation
   717,611.50 : 1,111,146 = 1,111,146 : x
2. Step 2: Convert to fraction form
   717,611.50/1,111,146 = 1,111,146/x
3. Step 3: Cross multiply
   717,611.50x = 1,111,146 × 1,111,146
4. Step 4: Simplify right side
   717,611.50x = 1,234,645,433,316
5. Step 5: Solve for x
   x = 1,234,645,433,316/717,611.50
6. Step 6: Final answer
   x = 1,720,492.82