Finding the Third Proportional to 12,885,280 and 27,788,106

Step by Step Solution

1. Step 1: Write the proportion equation
   12,885,280 : 27,788,106 = 27,788,106 : x
2. Step 2: Convert to fraction form
   12,885,280/27,788,106 = 27,788,106/x
3. Step 3: Cross multiply
   12,885,280x = 27,788,106 × 27,788,106
4. Step 4: Simplify right side
   12,885,280x = 772,178,835,067,236
5. Step 5: Solve for x
   x = 772,178,835,067,236/12,885,280
6. Step 6: Final answer
   x = 59,927,206.48