Finding the Third Proportional to 13,931,594 and 21,518,495

Step by Step Solution

1. Step 1: Write the proportion equation
   13,931,594 : 21,518,495 = 21,518,495 : x
2. Step 2: Convert to fraction form
   13,931,594/21,518,495 = 21,518,495/x
3. Step 3: Cross multiply
   13,931,594x = 21,518,495 × 21,518,495
4. Step 4: Simplify right side
   13,931,594x = 463,045,627,065,025
5. Step 5: Solve for x
   x = 463,045,627,065,025/13,931,594
6. Step 6: Final answer
   x = 33,237,088.81