Finding the Third Proportional to 4,748,661 and 9,665,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,748,661 : 9,665,005.50 = 9,665,005.50 : x
2. Step 2: Convert to fraction form
   4,748,661/9,665,005.50 = 9,665,005.50/x
3. Step 3: Cross multiply
   4,748,661x = 9,665,005.50 × 9,665,005.50
4. Step 4: Simplify right side
   4,748,661x = 93,412,331,315,030.25
5. Step 5: Solve for x
   x = 93,412,331,315,030.25/4,748,661
6. Step 6: Final answer
   x = 19,671,299.20