Finding the Third Proportional to 18,028,588.50 and 42,516,041.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,028,588.50 : 42,516,041.25 = 42,516,041.25 : x
2. Step 2: Convert to fraction form
   18,028,588.50/42,516,041.25 = 42,516,041.25/x
3. Step 3: Cross multiply
   18,028,588.50x = 42,516,041.25 × 42,516,041.25
4. Step 4: Simplify right side
   18,028,588.50x = 1,807,613,763,571,701.50
5. Step 5: Solve for x
   x = 1,807,613,763,571,701.50/18,028,588.50
6. Step 6: Final answer
   x = 100,263,742.98