Finding the Third Proportional to 910,411.50 and 1,406,685

Step by Step Solution

1. Step 1: Write the proportion equation
   910,411.50 : 1,406,685 = 1,406,685 : x
2. Step 2: Convert to fraction form
   910,411.50/1,406,685 = 1,406,685/x
3. Step 3: Cross multiply
   910,411.50x = 1,406,685 × 1,406,685
4. Step 4: Simplify right side
   910,411.50x = 1,978,762,689,225
5. Step 5: Solve for x
   x = 1,978,762,689,225/910,411.50
6. Step 6: Final answer
   x = 2,173,481.65