Finding the Third Proportional to 42,829,842 and 65,248,559

Step by Step Solution

1. Step 1: Write the proportion equation
   42,829,842 : 65,248,559 = 65,248,559 : x
2. Step 2: Convert to fraction form
   42,829,842/65,248,559 = 65,248,559/x
3. Step 3: Cross multiply
   42,829,842x = 65,248,559 × 65,248,559
4. Step 4: Simplify right side
   42,829,842x = 4,257,374,451,576,481
5. Step 5: Solve for x
   x = 4,257,374,451,576,481/42,829,842
6. Step 6: Final answer
   x = 99,402,058.30