Finding the Third Proportional to 90,784,903.50 and 188,029,584

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,903.50 : 188,029,584 = 188,029,584 : x
2. Step 2: Convert to fraction form
   90,784,903.50/188,029,584 = 188,029,584/x
3. Step 3: Cross multiply
   90,784,903.50x = 188,029,584 × 188,029,584
4. Step 4: Simplify right side
   90,784,903.50x = 35,355,124,459,213,056
5. Step 5: Solve for x
   x = 35,355,124,459,213,056/90,784,903.50
6. Step 6: Final answer
   x = 389,438,365.81