Finding the Third Proportional to 6,931,508.77 and 15,456,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,931,508.77 : 15,456,788.72 = 15,456,788.72 : x
2. Step 2: Convert to fraction form
   6,931,508.77/15,456,788.72 = 15,456,788.72/x
3. Step 3: Cross multiply
   6,931,508.77x = 15,456,788.72 × 15,456,788.72
4. Step 4: Simplify right side
   6,931,508.77x = 238,912,317,496,077.28
5. Step 5: Solve for x
   x = 238,912,317,496,077.28/6,931,508.77
6. Step 6: Final answer
   x = 34,467,577.78