Finding the Third Proportional to 27,838,424 and 42,589,680

Step by Step Solution

1. Step 1: Write the proportion equation
   27,838,424 : 42,589,680 = 42,589,680 : x
2. Step 2: Convert to fraction form
   27,838,424/42,589,680 = 42,589,680/x
3. Step 3: Cross multiply
   27,838,424x = 42,589,680 × 42,589,680
4. Step 4: Simplify right side
   27,838,424x = 1,813,880,842,502,400
5. Step 5: Solve for x
   x = 1,813,880,842,502,400/27,838,424
6. Step 6: Final answer
   x = 65,157,454.41