Finding the Third Proportional to 12,492,695 and 28,917,830

Step by Step Solution

1. Step 1: Write the proportion equation
   12,492,695 : 28,917,830 = 28,917,830 : x
2. Step 2: Convert to fraction form
   12,492,695/28,917,830 = 28,917,830/x
3. Step 3: Cross multiply
   12,492,695x = 28,917,830 × 28,917,830
4. Step 4: Simplify right side
   12,492,695x = 836,240,891,908,900
5. Step 5: Solve for x
   x = 836,240,891,908,900/12,492,695
6. Step 6: Final answer
   x = 66,938,390.15