Finding the Third Proportional to 29,488,998,874.50 and 64,988,794,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,488,998,874.50 : 64,988,794,777.50 = 64,988,794,777.50 : x
2. Step 2: Convert to fraction form
   29,488,998,874.50/64,988,794,777.50 = 64,988,794,777.50/x
3. Step 3: Cross multiply
   29,488,998,874.50x = 64,988,794,777.50 × 64,988,794,777.50
4. Step 4: Simplify right side
   29,488,998,874.50x = 4,223,543,446,632,011,399,168
5. Step 5: Solve for x
   x = 4,223,543,446,632,011,399,168/29,488,998,874.50
6. Step 6: Final answer
   x = 143,224,375,456.31