Finding the Third Proportional to 11,461,438 and 17,146,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,461,438 : 17,146,772.50 = 17,146,772.50 : x
2. Step 2: Convert to fraction form
   11,461,438/17,146,772.50 = 17,146,772.50/x
3. Step 3: Cross multiply
   11,461,438x = 17,146,772.50 × 17,146,772.50
4. Step 4: Simplify right side
   11,461,438x = 294,011,807,166,756.25
5. Step 5: Solve for x
   x = 294,011,807,166,756.25/11,461,438
6. Step 6: Final answer
   x = 25,652,261.71