Finding the Third Proportional to 12,905,713 and 28,087,363

Step by Step Solution

1. Step 1: Write the proportion equation
   12,905,713 : 28,087,363 = 28,087,363 : x
2. Step 2: Convert to fraction form
   12,905,713/28,087,363 = 28,087,363/x
3. Step 3: Cross multiply
   12,905,713x = 28,087,363 × 28,087,363
4. Step 4: Simplify right side
   12,905,713x = 788,899,960,293,769
5. Step 5: Solve for x
   x = 788,899,960,293,769/12,905,713
6. Step 6: Final answer
   x = 61,127,964.05