Finding the Third Proportional to 12,807,924 and 28,107,705

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,924 : 28,107,705 = 28,107,705 : x
2. Step 2: Convert to fraction form
   12,807,924/28,107,705 = 28,107,705/x
3. Step 3: Cross multiply
   12,807,924x = 28,107,705 × 28,107,705
4. Step 4: Simplify right side
   12,807,924x = 790,043,080,367,025
5. Step 5: Solve for x
   x = 790,043,080,367,025/12,807,924
6. Step 6: Final answer
   x = 61,683,929.45