Finding the Third Proportional to 18,463,464 and 42,739,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463,464 : 42,739,579.50 = 42,739,579.50 : x
2. Step 2: Convert to fraction form
   18,463,464/42,739,579.50 = 42,739,579.50/x
3. Step 3: Cross multiply
   18,463,464x = 42,739,579.50 × 42,739,579.50
4. Step 4: Simplify right side
   18,463,464x = 1,826,671,655,836,820.25
5. Step 5: Solve for x
   x = 1,826,671,655,836,820.25/18,463,464
6. Step 6: Final answer
   x = 98,934,395.83