Finding the Third Proportional to 1,897,058 and 4,478,117

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897,058 : 4,478,117 = 4,478,117 : x
2. Step 2: Convert to fraction form
   1,897,058/4,478,117 = 4,478,117/x
3. Step 3: Cross multiply
   1,897,058x = 4,478,117 × 4,478,117
4. Step 4: Simplify right side
   1,897,058x = 20,053,531,865,689
5. Step 5: Solve for x
   x = 20,053,531,865,689/1,897,058
6. Step 6: Final answer
   x = 10,570,858.60