Finding the Third Proportional to 54,705,087 and 86,624,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,705,087 : 86,624,086.50 = 86,624,086.50 : x
2. Step 2: Convert to fraction form
   54,705,087/86,624,086.50 = 86,624,086.50/x
3. Step 3: Cross multiply
   54,705,087x = 86,624,086.50 × 86,624,086.50
4. Step 4: Simplify right side
   54,705,087x = 7,503,732,361,959,482
5. Step 5: Solve for x
   x = 7,503,732,361,959,482/54,705,087
6. Step 6: Final answer
   x = 137,166,994.40