Finding the Third Proportional to 12,922,687.50 and 20,007,164

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922,687.50 : 20,007,164 = 20,007,164 : x
2. Step 2: Convert to fraction form
   12,922,687.50/20,007,164 = 20,007,164/x
3. Step 3: Cross multiply
   12,922,687.50x = 20,007,164 × 20,007,164
4. Step 4: Simplify right side
   12,922,687.50x = 400,286,611,322,896
5. Step 5: Solve for x
   x = 400,286,611,322,896/12,922,687.50
6. Step 6: Final answer
   x = 30,975,492.62