Finding the Third Proportional to 148,443,870 and 307,070,412

Step by Step Solution

1. Step 1: Write the proportion equation
   148,443,870 : 307,070,412 = 307,070,412 : x
2. Step 2: Convert to fraction form
   148,443,870/307,070,412 = 307,070,412/x
3. Step 3: Cross multiply
   148,443,870x = 307,070,412 × 307,070,412
4. Step 4: Simplify right side
   148,443,870x = 94,292,237,925,849,744
5. Step 5: Solve for x
   x = 94,292,237,925,849,744/148,443,870
6. Step 6: Final answer
   x = 635,204,659.69