Finding the Third Proportional to 19,687,451.50 and 30,813,490

Step by Step Solution

1. Step 1: Write the proportion equation
   19,687,451.50 : 30,813,490 = 30,813,490 : x
2. Step 2: Convert to fraction form
   19,687,451.50/30,813,490 = 30,813,490/x
3. Step 3: Cross multiply
   19,687,451.50x = 30,813,490 × 30,813,490
4. Step 4: Simplify right side
   19,687,451.50x = 949,471,165,980,100
5. Step 5: Solve for x
   x = 949,471,165,980,100/19,687,451.50
6. Step 6: Final answer
   x = 48,227,225.65