Finding the Third Proportional to 12,136,072.50 and 26,073,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,136,072.50 : 26,073,139.50 = 26,073,139.50 : x
2. Step 2: Convert to fraction form
   12,136,072.50/26,073,139.50 = 26,073,139.50/x
3. Step 3: Cross multiply
   12,136,072.50x = 26,073,139.50 × 26,073,139.50
4. Step 4: Simplify right side
   12,136,072.50x = 679,808,603,386,460.25
5. Step 5: Solve for x
   x = 679,808,603,386,460.25/12,136,072.50
6. Step 6: Final answer
   x = 56,015,535.78