Finding the Third Proportional to 12,935,680 and 28,166,280

Step by Step Solution

1. Step 1: Write the proportion equation
   12,935,680 : 28,166,280 = 28,166,280 : x
2. Step 2: Convert to fraction form
   12,935,680/28,166,280 = 28,166,280/x
3. Step 3: Cross multiply
   12,935,680x = 28,166,280 × 28,166,280
4. Step 4: Simplify right side
   12,935,680x = 793,339,329,038,400
5. Step 5: Solve for x
   x = 793,339,329,038,400/12,935,680
6. Step 6: Final answer
   x = 61,329,541.94