Finding the Third Proportional to 45,898,850 and 99,872,860

Step by Step Solution

1. Step 1: Write the proportion equation
   45,898,850 : 99,872,860 = 99,872,860 : x
2. Step 2: Convert to fraction form
   45,898,850/99,872,860 = 99,872,860/x
3. Step 3: Cross multiply
   45,898,850x = 99,872,860 × 99,872,860
4. Step 4: Simplify right side
   45,898,850x = 9,974,588,164,579,600
5. Step 5: Solve for x
   x = 9,974,588,164,579,600/45,898,850
6. Step 6: Final answer
   x = 217,316,733.74