Finding the Third Proportional to 64,602,513 and 99,298,696

Step by Step Solution

1. Step 1: Write the proportion equation
   64,602,513 : 99,298,696 = 99,298,696 : x
2. Step 2: Convert to fraction form
   64,602,513/99,298,696 = 99,298,696/x
3. Step 3: Cross multiply
   64,602,513x = 99,298,696 × 99,298,696
4. Step 4: Simplify right side
   64,602,513x = 9,860,231,027,300,416
5. Step 5: Solve for x
   x = 9,860,231,027,300,416/64,602,513
6. Step 6: Final answer
   x = 152,629,217.80