Finding the Third Proportional to 194,152,990.50 and 415,565,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,152,990.50 : 415,565,167.50 = 415,565,167.50 : x
2. Step 2: Convert to fraction form
   194,152,990.50/415,565,167.50 = 415,565,167.50/x
3. Step 3: Cross multiply
   194,152,990.50x = 415,565,167.50 × 415,565,167.50
4. Step 4: Simplify right side
   194,152,990.50x = 172,694,408,439,303,072
5. Step 5: Solve for x
   x = 172,694,408,439,303,072/194,152,990.50
6. Step 6: Final answer
   x = 889,475,912.76