Finding the Third Proportional to 28,439,793.56 and 42,958,557.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,439,793.56 : 42,958,557.56 = 42,958,557.56 : x
2. Step 2: Convert to fraction form
   28,439,793.56/42,958,557.56 = 42,958,557.56/x
3. Step 3: Cross multiply
   28,439,793.56x = 42,958,557.56 × 42,958,557.56
4. Step 4: Simplify right side
   28,439,793.56x = 1,845,437,667,850,626
5. Step 5: Solve for x
   x = 1,845,437,667,850,626/28,439,793.56
6. Step 6: Final answer
   x = 64,889,277.90