Finding the Third Proportional to 300,775,572,116 and 455,038,074,822

Step by Step Solution

1. Step 1: Write the proportion equation
   300,775,572,116 : 455,038,074,822 = 455,038,074,822 : x
2. Step 2: Convert to fraction form
   300,775,572,116/455,038,074,822 = 455,038,074,822/x
3. Step 3: Cross multiply
   300,775,572,116x = 455,038,074,822 × 455,038,074,822
4. Step 4: Simplify right side
   300,775,572,116x = 207,059,649,537,712,077,144,064
5. Step 5: Solve for x
   x = 207,059,649,537,712,077,144,064/300,775,572,116
6. Step 6: Final answer
   x = 688,419,102,924.54