Finding the Third Proportional to 12,640,347 and 28,013,910

Step by Step Solution

1. Step 1: Write the proportion equation
   12,640,347 : 28,013,910 = 28,013,910 : x
2. Step 2: Convert to fraction form
   12,640,347/28,013,910 = 28,013,910/x
3. Step 3: Cross multiply
   12,640,347x = 28,013,910 × 28,013,910
4. Step 4: Simplify right side
   12,640,347x = 784,779,153,488,100
5. Step 5: Solve for x
   x = 784,779,153,488,100/12,640,347
6. Step 6: Final answer
   x = 62,085,253.95