Finding the Third Proportional to 866,543.25 and 1,870,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   866,543.25 : 1,870,099.50 = 1,870,099.50 : x
2. Step 2: Convert to fraction form
   866,543.25/1,870,099.50 = 1,870,099.50/x
3. Step 3: Cross multiply
   866,543.25x = 1,870,099.50 × 1,870,099.50
4. Step 4: Simplify right side
   866,543.25x = 3,497,272,139,900.25
5. Step 5: Solve for x
   x = 3,497,272,139,900.25/866,543.25
6. Step 6: Final answer
   x = 4,035,888.73