Finding the Third Proportional to 61,917,850 and 144,588,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,917,850 : 144,588,620.50 = 144,588,620.50 : x
2. Step 2: Convert to fraction form
   61,917,850/144,588,620.50 = 144,588,620.50/x
3. Step 3: Cross multiply
   61,917,850x = 144,588,620.50 × 144,588,620.50
4. Step 4: Simplify right side
   61,917,850x = 20,905,869,178,093,020
5. Step 5: Solve for x
   x = 20,905,869,178,093,020/61,917,850
6. Step 6: Final answer
   x = 337,638,809.78