Finding the Third Proportional to 866,434.50 and 1,900,269

Step by Step Solution

1. Step 1: Write the proportion equation
   866,434.50 : 1,900,269 = 1,900,269 : x
2. Step 2: Convert to fraction form
   866,434.50/1,900,269 = 1,900,269/x
3. Step 3: Cross multiply
   866,434.50x = 1,900,269 × 1,900,269
4. Step 4: Simplify right side
   866,434.50x = 3,611,022,272,361
5. Step 5: Solve for x
   x = 3,611,022,272,361/866,434.50
6. Step 6: Final answer
   x = 4,167,680.62