Finding the Third Proportional to 19,687,581 and 30,813,679.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,687,581 : 30,813,679.50 = 30,813,679.50 : x
2. Step 2: Convert to fraction form
   19,687,581/30,813,679.50 = 30,813,679.50/x
3. Step 3: Cross multiply
   19,687,581x = 30,813,679.50 × 30,813,679.50
4. Step 4: Simplify right side
   19,687,581x = 949,482,844,328,720.25
5. Step 5: Solve for x
   x = 949,482,844,328,720.25/19,687,581
6. Step 6: Final answer
   x = 48,227,501.61