Finding the Third Proportional to 6,630,139.50 and 9,358,404

Step by Step Solution

1. Step 1: Write the proportion equation
   6,630,139.50 : 9,358,404 = 9,358,404 : x
2. Step 2: Convert to fraction form
   6,630,139.50/9,358,404 = 9,358,404/x
3. Step 3: Cross multiply
   6,630,139.50x = 9,358,404 × 9,358,404
4. Step 4: Simplify right side
   6,630,139.50x = 87,579,725,427,216
5. Step 5: Solve for x
   x = 87,579,725,427,216/6,630,139.50
6. Step 6: Final answer
   x = 13,209,333.74