Finding the Third Proportional to 18,463,432.50 and 42,739,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463,432.50 : 42,739,504.50 = 42,739,504.50 : x
2. Step 2: Convert to fraction form
   18,463,432.50/42,739,504.50 = 42,739,504.50/x
3. Step 3: Cross multiply
   18,463,432.50x = 42,739,504.50 × 42,739,504.50
4. Step 4: Simplify right side
   18,463,432.50x = 1,826,665,244,905,520.25
5. Step 5: Solve for x
   x = 1,826,665,244,905,520.25/18,463,432.50
6. Step 6: Final answer
   x = 98,934,217.40