Finding the Third Proportional to 6,138,116 and 8,534,560

Step by Step Solution

1. Step 1: Write the proportion equation
   6,138,116 : 8,534,560 = 8,534,560 : x
2. Step 2: Convert to fraction form
   6,138,116/8,534,560 = 8,534,560/x
3. Step 3: Cross multiply
   6,138,116x = 8,534,560 × 8,534,560
4. Step 4: Simplify right side
   6,138,116x = 72,838,714,393,600
5. Step 5: Solve for x
   x = 72,838,714,393,600/6,138,116
6. Step 6: Final answer
   x = 11,866,623.96