Finding the Third Proportional to 12,520,516 and 19,901,382

Step by Step Solution

1. Step 1: Write the proportion equation
   12,520,516 : 19,901,382 = 19,901,382 : x
2. Step 2: Convert to fraction form
   12,520,516/19,901,382 = 19,901,382/x
3. Step 3: Cross multiply
   12,520,516x = 19,901,382 × 19,901,382
4. Step 4: Simplify right side
   12,520,516x = 396,065,005,509,924
5. Step 5: Solve for x
   x = 396,065,005,509,924/12,520,516
6. Step 6: Final answer
   x = 31,633,281.37