Finding the Third Proportional to 19,817,884 and 42,017,324

Step by Step Solution

1. Step 1: Write the proportion equation
   19,817,884 : 42,017,324 = 42,017,324 : x
2. Step 2: Convert to fraction form
   19,817,884/42,017,324 = 42,017,324/x
3. Step 3: Cross multiply
   19,817,884x = 42,017,324 × 42,017,324
4. Step 4: Simplify right side
   19,817,884x = 1,765,455,516,120,976
5. Step 5: Solve for x
   x = 1,765,455,516,120,976/19,817,884
6. Step 6: Final answer
   x = 89,083,956.50