Finding the Third Proportional to 90,784,894 and 188,029,564

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,894 : 188,029,564 = 188,029,564 : x
2. Step 2: Convert to fraction form
   90,784,894/188,029,564 = 188,029,564/x
3. Step 3: Cross multiply
   90,784,894x = 188,029,564 × 188,029,564
4. Step 4: Simplify right side
   90,784,894x = 35,355,116,938,030,096
5. Step 5: Solve for x
   x = 35,355,116,938,030,096/90,784,894
6. Step 6: Final answer
   x = 389,438,323.72