Finding the Third Proportional to 27,831,916.50 and 42,467,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,831,916.50 : 42,467,737.50 = 42,467,737.50 : x
2. Step 2: Convert to fraction form
   27,831,916.50/42,467,737.50 = 42,467,737.50/x
3. Step 3: Cross multiply
   27,831,916.50x = 42,467,737.50 × 42,467,737.50
4. Step 4: Simplify right side
   27,831,916.50x = 1,803,508,728,368,906.25
5. Step 5: Solve for x
   x = 1,803,508,728,368,906.25/27,831,916.50
6. Step 6: Final answer
   x = 64,800,019.37