Finding the Third Proportional to 98,166,078 and 213,569,820

Step by Step Solution

1. Step 1: Write the proportion equation
   98,166,078 : 213,569,820 = 213,569,820 : x
2. Step 2: Convert to fraction form
   98,166,078/213,569,820 = 213,569,820/x
3. Step 3: Cross multiply
   98,166,078x = 213,569,820 × 213,569,820
4. Step 4: Simplify right side
   98,166,078x = 45,612,068,014,832,400
5. Step 5: Solve for x
   x = 45,612,068,014,832,400/98,166,078
6. Step 6: Final answer
   x = 464,641,849.24