Finding the Third Proportional to 1,865,594 and 4,123,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,594 : 4,123,228 = 4,123,228 : x
2. Step 2: Convert to fraction form
   1,865,594/4,123,228 = 4,123,228/x
3. Step 3: Cross multiply
   1,865,594x = 4,123,228 × 4,123,228
4. Step 4: Simplify right side
   1,865,594x = 17,001,009,139,984
5. Step 5: Solve for x
   x = 17,001,009,139,984/1,865,594
6. Step 6: Final answer
   x = 9,112,920.14