Finding the Third Proportional to 90,784,754 and 188,029,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,754 : 188,029,291.50 = 188,029,291.50 : x
2. Step 2: Convert to fraction form
   90,784,754/188,029,291.50 = 188,029,291.50/x
3. Step 3: Cross multiply
   90,784,754x = 188,029,291.50 × 188,029,291.50
4. Step 4: Simplify right side
   90,784,754x = 35,355,014,461,991,972
5. Step 5: Solve for x
   x = 35,355,014,461,991,972/90,784,754
6. Step 6: Final answer
   x = 389,437,795.49