Finding the Third Proportional to 12,428,672 and 26,584,424

Step by Step Solution

1. Step 1: Write the proportion equation
   12,428,672 : 26,584,424 = 26,584,424 : x
2. Step 2: Convert to fraction form
   12,428,672/26,584,424 = 26,584,424/x
3. Step 3: Cross multiply
   12,428,672x = 26,584,424 × 26,584,424
4. Step 4: Simplify right side
   12,428,672x = 706,731,599,411,776
5. Step 5: Solve for x
   x = 706,731,599,411,776/12,428,672
6. Step 6: Final answer
   x = 56,863,001.89