Finding the Third Proportional to 54,705,069 and 86,624,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,705,069 : 86,624,059.50 = 86,624,059.50 : x
2. Step 2: Convert to fraction form
   54,705,069/86,624,059.50 = 86,624,059.50/x
3. Step 3: Cross multiply
   54,705,069x = 86,624,059.50 × 86,624,059.50
4. Step 4: Simplify right side
   54,705,069x = 7,503,727,684,259,540
5. Step 5: Solve for x
   x = 7,503,727,684,259,540/54,705,069
6. Step 6: Final answer
   x = 137,166,954.02