Finding the Third Proportional to 9,113,103 and 12,818,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113,103 : 12,818,722.50 = 12,818,722.50 : x
2. Step 2: Convert to fraction form
   9,113,103/12,818,722.50 = 12,818,722.50/x
3. Step 3: Cross multiply
   9,113,103x = 12,818,722.50 × 12,818,722.50
4. Step 4: Simplify right side
   9,113,103x = 164,319,646,532,006.25
5. Step 5: Solve for x
   x = 164,319,646,532,006.25/9,113,103
6. Step 6: Final answer
   x = 18,031,141.15