Finding the Third Proportional to 20,042,252 and 42,918,850

Step by Step Solution

1. Step 1: Write the proportion equation
   20,042,252 : 42,918,850 = 42,918,850 : x
2. Step 2: Convert to fraction form
   20,042,252/42,918,850 = 42,918,850/x
3. Step 3: Cross multiply
   20,042,252x = 42,918,850 × 42,918,850
4. Step 4: Simplify right side
   20,042,252x = 1,842,027,685,322,500
5. Step 5: Solve for x
   x = 1,842,027,685,322,500/20,042,252
6. Step 6: Final answer
   x = 91,907,221.07