Finding the Third Proportional to 988,473 and 2,158,194

Step by Step Solution

1. Step 1: Write the proportion equation
   988,473 : 2,158,194 = 2,158,194 : x
2. Step 2: Convert to fraction form
   988,473/2,158,194 = 2,158,194/x
3. Step 3: Cross multiply
   988,473x = 2,158,194 × 2,158,194
4. Step 4: Simplify right side
   988,473x = 4,657,801,341,636
5. Step 5: Solve for x
   x = 4,657,801,341,636/988,473
6. Step 6: Final answer
   x = 4,712,117.92