Finding the Third Proportional to 29,915,730 and 64,300,454

Step by Step Solution

1. Step 1: Write the proportion equation
   29,915,730 : 64,300,454 = 64,300,454 : x
2. Step 2: Convert to fraction form
   29,915,730/64,300,454 = 64,300,454/x
3. Step 3: Cross multiply
   29,915,730x = 64,300,454 × 64,300,454
4. Step 4: Simplify right side
   29,915,730x = 4,134,548,384,606,116
5. Step 5: Solve for x
   x = 4,134,548,384,606,116/29,915,730
6. Step 6: Final answer
   x = 138,206,501.55