Finding the Third Proportional to 28,501,640 and 42,996,108

Step by Step Solution

1. Step 1: Write the proportion equation
   28,501,640 : 42,996,108 = 42,996,108 : x
2. Step 2: Convert to fraction form
   28,501,640/42,996,108 = 42,996,108/x
3. Step 3: Cross multiply
   28,501,640x = 42,996,108 × 42,996,108
4. Step 4: Simplify right side
   28,501,640x = 1,848,665,303,147,664
5. Step 5: Solve for x
   x = 1,848,665,303,147,664/28,501,640
6. Step 6: Final answer
   x = 64,861,716.84